baber/WOPTO huggingface dataset:
Patent KR-20190107748-A (KR)
Inventor: NAKAO JUNJI
IPC: A23L5/30
Filed: 2017-02-22
Abstract: 본  발명에  관한  음료  등  버블함유액의  제조방법은,  액중에  미세기포를  생성하는  버블생성부와,  상기  버블생성부에  접속되고  상기  버블생성부로부터  공급되는  버블함유액을  통과시키고  통과하는  버블함유액에  초음파를  조사하여  버블함유액의  미세기포를  압축파괴하는  버블압축파괴부와,  상기  버블압축파괴부에  접속되고  상기  버블압축파괴부로부터  공급되는  버블함유액을  저장하는  버블함유액의  제조시스템을  사용하여,  상기  버블생성부가  액중에  미세기포를  생성하는  버블생성스텝과,  상기  버블압축파괴부가  초음파 압축파괴장을  형성하여  상기  액중의  상기  미세기포를  압축파괴함으로써  초미세기포를  생성하는  버블압축파괴스텝과,  상기  저장부가  초미세기포를  함유하는  상기  버블함유액을  저장하는  저장스텝을  포함한다.  이에  따라  초미세기포를  함유하는  음료  등을  제조할  수  있다.
Patent KR-20190122753-A (KR)
Title: 용사 피막, 용사용 분말, 용사용 분말의 제조 방법, 및 용사 피막의 제조 방법
Inventor: HAMAYA NORIAKI
IPC: C01F17/265
Filed: 2018-02-28
Abstract: 희토류 불화물 및/또는 희토류 산불화물을 포함하는 용사 피막이며, 카본을 0.01 내지 2질량％, 혹은 티타늄 또는 몰리브덴을 1 내지 1000ppm 함유하고, 또한 산불화물을 포함하지 않는 경우, L*a*b* 색도 표시로 L*이 25 내지 64, a*이 -3.0 내지 +5.0, b*이 -4.0 내지 +8.0인 회색 내지 흑색을 나타내고, 산불화물을 포함하는 경우, L*a*b* 색도 표시로 L*이 25 이상 91 미만, a*이 -3.0 내지 +5.0, b*이 -6.0 내지 +8.0인 백색 또는 회색 내지 흑색을 나타내는 용사 피막을 제공한다.  이 피막을 내플라스마 부재에 형성하면, 부분적인 색의 변화가 적고, 취출 세정 시에도 부분적으로 무리한 세정을 실시하는 일도 없어져, 본래의 장수명을 확실하게 실현할 수 있는 부재가 된다.
Patent KR-20200002814-A (KR)
Title: 치과용 처리 장치
Inventor: JUSSEL RUDOLF
IPC: A61C13/08
Filed: 2018-04-10
Abstract: 치과용 처리 장치가 적어도 부분적으로 작업 실내에 배열되거나 작업실상에 배열된 전원을 가지고 치과용 처리 장치에 대해 이동할 수 있는 펀치를 가지며 치과용 복원 부분을 위한 수용 판을 가진다. 상기 작업실은 상부에서 관통 개구부(26)를 가지며 상기 개구부속으로 상기 수용 판(16)이 적어도 부분적으로 이동할 수 있다. 또한, 상기 펀치를 작동위치로부터 표시 위치로 전달하고 선택적으로 다시 귀환하기 위한 구동부가 제공된다. 상기 관통 개구부(26)를 밀폐할 수 있는 덮개(32)가 특히 힌지로 연결된 치과용 처리 장치상에 장착된다.
Patent KR-20200007803-A (KR)
Title: 비대칭 슬래브 노즐 및 이를 포함하는 금속 주조용 야금 조립체
Inventor: RICHAUD JOHAN
IPC: B22D41/50
Filed: 2018-05-14
Abstract: 본 발명은 슬래브 주형 공동 내로 삽입되는, 그의 하류 부분의 외벽의 특정 기하학적 구조에 의해 특징지어지는, 연속 슬래브 주조 설비에 사용하기 위한 슬래브 노즐(1)에 관한 것이다.  특정 기하학적 구조는 슬래브 노즐의 2개의 서로 반대편에 있는 측면을 향해 유동하는 용융된 금속의 수렴하는 서로 반대의 스트림이 각각, 그들이 서로 충돌함이 없이 슬래브 노즐과 슬래브 주형 공동 벽 사이에 형성된 좁은 채널을 통해 자유롭게 유동할 수 있는 슬래브 노즐의 일 측부를 향해 우선적으로 편향되는 "우회" 효과를 증진시킨다.  이는 그의 외벽의 부식률을 실질적으로 감소시킴으로써 슬래브 노즐의 사용 수명을 연장시킨다.
Patent KR-20190134756-A (KR)
Title: 축전지 모듈 및 축전지 유닛
Inventor: NAKAYAMA MASAHIDE
IPC: H01M50/271
Filed: 2018-04-13
Abstract: (과제) 수작업에 의해서도 간편하며 또한 단시간에 설치 작업을 행할 수 있는 축전지 모듈 및 축전지 유닛을 제공한다. 
(해결 수단) 축전지 모듈(1)은, 적층된 복수의 축전지 셀(21)을 구비하는 적층부(2)와, 적층부(2)에 전기적으로 접속된 전기 접속부(3)를 구비하는 축전지 본체(4)와, 축전지 본체(4)의 길이 방향을 따른 양측부에 부착되며, 적층부(2)와 전기 접속부(3)를 일괄해서 고정하는 브래킷 부재(5)를 가지고 있다.  각 브래킷 부재(5)는, 핸들(6)을 착탈 가능하게 부착 가능한 부착부를 구성하는 긴 구멍(513) 및 소구멍(514)를 구비하고 있다.
Patent KR-20200051520-A (KR)
Title: 비수 전해질 2차 전지용 전극 합제
Inventor: USHIJIMA YASUHITO
IPC: H01M4/13
Filed: 2018-09-11
Abstract: 기존의 전극 도공 설비에 적용 가능하고, 사이클 특성이 우수한 비수 전해질 2차 전지용 전극 합제가 제공된다.  구체적으로는, 전극 활물질과, 가교제와, 결착제를 함유하고, 상기 결착제는 비닐알코올과 에틸렌성 불포화 카르복시산 알칼리 금속 중화물의 공중합체를 포함하는 비수 전해질 2차 전지용 전극 합제가 제공된다.
Patent KR-20190138682-A (KR)
Title: 폴라 코드들에 대한 동적 고정 비트들 및 에러 검출
Inventor: XU CHANGLONG
IPC: H04L1/00
Filed: 2018-04-18
Abstract: 조기 종료 및 성능 개선을 위한 폴라 코드들의 동적 고정 비트들을 위한, 무선 통신을 위한 방법들, 시스템들 및 디바이스들이 설명된다.  무선 디바이스는 폴라 코드를 사용하여 인코딩된 코드워드를 포함하는 신호를 수신할 수 있다.  무선 디바이스는 동적 고정 비트들에 기초하여 코드워드의 디코딩의 조기 종료에 대한 결정을 하기 위해 디코딩 경로들의 제1 서브세트를 패리티 검사하는 것, 동적 고정 비트들에 기초하여 패리티 검사를 각각 통과한 디코딩 경로들의 제2 서브세트에 대한 경로 메트릭들을 생성하는 것, 및 생성된 경로 메트릭들 및 에러 검출 비트들에 부분적으로 기초하여 디코딩 경로들의 제2 서브세트 중 하나의 디코딩 경로에 대응하는 비트 시퀀스에 대해 에러 검출을 수행하는 것을 적어도 포함하여, 코드워드의 디코딩을 수행할 수 있다.  무선 디바이스는 디코딩의 결과에 기초하여 정보 비트들을 프로세싱할 수 있다.
Patent KR-20200010255-A (KR)
Title: 회전하는 부품의 각도를 결정하기 위한 장치
Inventor: DIETRICH MARKUS
IPC: G01D5/48
Filed: 2018-05-03
Abstract: 본 발명은, 회전하는 부품의 각도를 결정하기 위한 장치에 관한 것으로, 상기 장치는 자기 변형 센서 구조(4)를 포함하며, 상기 자기 변형 센서 구조는 송신 요소(17) 및 수신 요소(18, 19)와 결합되어 있고, 상기 자기 변형 센서 구조를 따라 가동형 부품에 고정된 자석(5, 10, 11)이 이동하며, 이때 송신 및 수신 요소(17; 18, 19)는 송신 요소(17)와 포화 구역(6) 사이의 이동 시간 및 역으로 포화 구역(6)으로부터 수신 요소(18, 19)로의 이동 시간으로부터 가동형 부품의 위치를 결정하기 위한 전자 평가 장치(14)와 연결되어 있으며, 이 경우 송신된 신호는 자석(5)에 의해 자기 변형 센서 구조(4) 내에 생성된 포화 구역(6, 8)에서 반사된다.  회전하는 부품의 공차 없는 각도 결정이 가능한 장치에서는, 자기 변형 센서 구조(4)가 상호 이격된 2개의 센서 루프(15, 16; 20, 21)를 포함하고, 각각의 센서 루프(15, 16; 20, 21)의 형상이 회전하는 부품의 이동 방향에 매칭되며, 이 경우 두 센서 루프(15, 16; 20, 21) 내로 각각 하나의 펄스를 동시에 결합시키기 위해 하나의 공통 송신 요소(17)가 제공되고, 상기 공통 송신 요소의 주변에는 개별 센서 루프(15, 16; 20, 21)의 포화 구역(6, 8)으로부터 반사된 펄스를 수신하기 위해 각각의 센서 루프(15, 16; 20, 21)마다 각각 하나의 수신 요소(18, 19)가 배치되며, 수신 요소(18, 19)는 두 센서 루프(15, 16; 20, 21)에서의 2개의 이동 시간의 비로부터 각도 위치를 결정하기 위해 전자 평가 장치(14)와 연결된다.
Patent KR-20190141253-A (KR)
Title: 폴리에테르 중합 방법
Inventor: STEELMAN DAVID K
IPC: B01J35/10
Filed: 2018-05-10
Abstract: 실시형태는 개질된 복금속 시아니드 착물의 제조 방법, 개질된 복금속 시아니드 착물을 제공하는 단계를 포함하는 모노올 또는 폴리올의 제조 방법, 개질된 복금속 시아니드 착물을 제공하는 단계를 포함하는 알킬렌 옥시드 중합 공정, 개질된 복금속 시아니드 착물을 제공하는 단계를 포함하는 배치식, 반배치식 또는 연속식 제조 공정, 및 개질된 복금속 시아니드 착물을 제공하는 단계를 포함하는 배치식, 반배치식 또는 연속식 제조 공정을 사용하여 제조된 폴리에테르 폴리올에 관한 것이다.
Patent KR-20190143476-A (KR)
Inventor: KAWAI WAKAHIRO
IPC: H05K1/18
Filed: 2016-03-22
Abstract: 수지 성형체의 형상 변화에 의한 배선의 단선이 생기기 어려운 회로 구조체를 제공한다. 회로 구조체(1)는 전극(31, 32)을 갖는 전자 부품(3)과, 전자 부품(3)이 매설된 수지 성형체(2)와, 상기 전극(31, 32)에 접속되는 배선(41, 42)을 구비하고 있다. 수지 성형체(2)에서의 전자 부품(3)의 주위에 홈(21)이 형성되어 있고, 배선(41, 42)은 홈(21) 내를 통과하도록 마련되어 있다.
Patent KR-20210089429-A (KR)
Title: Invention technology retrieval system and method using virtual composite technology document incorporating similar invention technology document
Inventor: KIM MIN HO
IPC: G06F16/93
Filed: 2020-01-08
Abstract: The present invention relates to a system and method for searching an invention technology using a virtual composite technical document integrating a similar invention technical document, wherein the method comprises: a step of selecting an original technical document corresponding to a virtual composite technical document target from an original technical document database; a step of generating a virtual composite technical document by using the selected original technical documents, and storing the generated virtual composite technical document in a virtual composite technical document database; a step of detecting an index of the generated virtual composite technical document; and a step of storing the index information of the detected virtual composite technical document in the virtual composite technical document index database. Therefore, the present invention is capable of having an advantage for which a more effective search is possible when searching for a single existing document.
Patent KR-20210098586-A (KR)
Title: Manufacturing method of synbiotics comprising isomalto-oligosaccharide made from rice powder
Inventor: YANG JI YOUNG
IPC: A23L33/135
Filed: 2020-01-31
Abstract: The present invention relates to a method for producing synbiotics comprising isomaltooligosaccharide using rice flour, and provides the method for producing synbiotics including isomaltooligosaccharide, rice bran-derived dietary fibers, and lactic acid bacteria using isomaltooligosaccharide with a significantly enhanced prebiotic function than existing cases by controlling reaction times and reaction temperatures of rice flour and various enzymes. In addition, through the present invention, it is possible to easily provide a pharmaceutical composition and health functional food for preventing, alleviating, or treating irritable enteritis syndrome using the synbiotics.
Patent KR-20210099678-A (KR)
Title: Organic electroluminescence device and polycyclic compound for organic electroluminescence device
Inventor: BAEK JANG YEOL
IPC: H01L51/00
Filed: 2020-02-04
Abstract: The organic electroluminescent device of an embodiment includes a first electrode, a second electrode, and a light emitting layer disposed between the first electrode and the second electrode. The light emitting layer may include a polycyclic compound represented by the following chemical formula 1 to exhibit device characteristics of a long lifespan. An object of the present invention is to provide an organic electroluminescent device exhibiting excellent luminous efficiency.
Patent KR-20210099750-A (KR)
Title: Apparatus and method for providing image
Inventor: CHOI YONG WOO
IPC: G06T19/20
Filed: 2020-02-05
Abstract: Provided are an image providing device capable of minimizing a computational burden on a three-dimensional model of a computing device and a method thereof. The image providing method is performed by a computing device, and provides a user interface for editing a three-dimensional model. The method includes the steps of: including a first editing window displaying a first model and a second editing window displaying a second model in the user interface; overlaying the second editing window on the first editing window, and overlaying the second model on the first model, wherein a transparency of the second editing window is greater than a transparency of the first editing window; editing the second model overlaid on the first model; and generating a two-dimensional image based on the first model and the edited second model in an overlaid state.
Patent KR-20210001877-A (KR)
Inventor: KODA Toshimitu
IPC: A61H9/00
Filed: 2020-02-05
Abstract: An operation device for a massage device according to the present disclosure comprise an operation unit for selecting an operation of the massage device, and a main body detachable with respect to a holding unit provided on the side of the user′s waist, wherein the main body, in the state installed in the holding unit, comprises a first surface facing the side of the user′s waist, and a second surface closer to the user′s shoulder than the first surface, wherein the operation unit is provided on the second surface. According to the operation device of the massage device, since the position of the operation unit is provided on the second surface close to the user′s shoulder, the user can appropriately operate the operation device.
Patent KR-20210101072-A (KR)
Title: Cadmium free quantum dots, and light emitting device including the same
Inventor: CHOI SEON MYEONG
IPC: H01L51/50
Filed: 2020-02-07
Abstract: The present invention relates to a quantum dot and an electroluminescent element including the same. The quantum dot comprises: a core including a first semiconductor nanocrystal free of cadmium, configured to emit blue light, and including indium (In), gallium (Ga), and phosphorus (P); and a semiconductor nanocrystal shell disposed on the core. A molar ratio of gallium to the total sum of indium and gallium in the quantum dot is 0.2 or more and 0.75 or less and the semiconductor nanocrystal shell includes zinc chalcogenide.
Patent KR-20210102683-A (KR)
Title: Porridge Set Including Frozen Topping Unit and Base
Inventor: HA SE JONG
IPC: A23L5/10
Filed: 2020-02-12
Abstract: The present invention relates to a porridge set including frozen topping and base and, more specifically, to a porridge set including frozen topping and base, in which a base is formed by mixing ingredients commonly used in different types of porridge and one topping unit in a frozen state in which the ingredients are aggregated is added to the base to be cooked so that the number of topping units per day is increased for the preferred porridge among various types of porridge, and is decreased for the non-preferred porridge, thereby significantly reducing the amount of unused and wasted materials. According to the present invention, the type of porridge is determined depending on what topping unit is added, and thus porridge customized to a consumer according to the consumer's preference can be easily provided.
Patent KR-20210105145-A (KR)
Title: Heating cooker providing hydrothermal water against direction gravity
Inventor: SHIN YI SEUL
IPC: A47J27/04
Filed: 2020-02-18
Abstract: The present invention relates to a heating and cooking apparatus, comprising: at least one heating tank accommodating a heating object and a liquid; a high-temperature fluid generating chamber configured to generate hot water and steam by heating water to heat the liquid accommodated in the heating tank and the heating object; one or more high-temperature gas micro-injection holes for finely dividing the steam generated in the high-temperature fluid generating chamber and spraying the same into the heating tank; and one or more hot water supply units for supplying the hot water generated in the high-temperature fluid generating chamber to the heating tank, wherein the heating object and the liquid in the heating tank are heated using the hot water and the steam.
Patent KR-20210108619-A (KR)
Title: Apparatus for supplying agricultural water from farm waterway
Inventor: KIM YONG WON
IPC: E02B13/00
Filed: 2020-02-26
Abstract: The present invention relates to an irrigation channel water supply device installed in an irrigation channel to control the flow rate of water supplied to farmland, comprising: a connection pipe having one end connected to an opening of the irrigation channel, and through which water of the irrigation channel is introduced; a discharge pipe for discharging the water introduced from the connection pipe to farmland; and a blocking unit connected to the connection pipe and the discharge pipe, respectively, and capable of blocking the connection pipe and the discharge pipe, respectively. According to the irrigation water supply device of the present invention, the irrigation channel water supply device is installed in the irrigation channel to supply water from the irrigation channel to farmland, and can prevent the leaking of water when the water should be shut off.
Patent KR-20210109220-A (KR)
Title: Customized government support information transfer method
Inventor: WON KYU HEE
IPC: G06Q50/26
Filed: 2020-02-27
Abstract: According to the present invention, provided is a customized policy information delivering method, in which policy information and user information are collected, policy information and user information are matched, and the matched policy information is transmitted to a user. According to the present invention, customized policies suitable for users can be delivered.
Patent KR-20200026853-A (KR)
Title: Polythiol composition and preparation method thereof
Inventor: SHIM JONGMIN
IPC: C07C321/14
Filed: 2020-02-28
Abstract: An embodiment relates to a tetrafunctional polythiol composition containing a certain amount of a trifunctional polythiol compound or less, and a preparation method thereof. An optical material prepared from a polymerizable composition containing the tetrafunctional polythiol composition not only has improved optical properties such as refractive index and Abbe′s number, but also has excellent mechanical properties such as heat resistance and impact resistance.
Patent KR-20210109850-A (KR)
Title: Apparatus for providing choreography content service
Inventor: HYOUNG YONG JOON
IPC: G06F16/41
Filed: 2020-02-28
Abstract: Proposed is a device for providing a choreography content service that provides a service that matches an optimal choreography content among choreography created by choreographers for each part (per section) within a sound source content for which is the target of choreography. The proposed device comprises: a server that transmits the sound source, for which is the target of choreography, to a terminal of a registered choreographer, allows one or more choreography videos to be uploaded from the terminal of one or more choreographers per part of the sound source, and generates choreography matching data corresponding to the sound source based on the selection of one or more choreography videos per part of the sound source; and a database storing the choreography matching data. The server provides a choreography content service based on the choreography matching data.
Patent KR-20210111625-A (KR)
Title: Ferroelectric thin film structure and electric device including the same
Inventor: LEE YUN SEONG
IPC: H01L21/02
Filed: 2020-03-03
Abstract: Provided is a ferroelectric thin film structure which comprises: a semiconductor substrate; a first ferroelectric layer formed on the semiconductor substrate; and a second ferroelectric layer formed on the semiconductor substrate to be spaced apart from the first ferroelectric layer and having a dielectric constant different from that of the first ferroelectric layer. The first ferroelectric layer and the second ferroelectric layer may have different dopant contents and may be applied to a transistor to show different threshold voltages.
Patent KR-20200031592-A (KR)
Title: A wallpaper comprising a surface coating layer coated by bio polymer solution
Inventor: LEE MIN
IPC: D21H27/02
Filed: 2020-03-13
Abstract: The present invention relates to an environmentally friendly wallpaper having excellent workability and constructability, freely implementing an external appearance, and having excellent light resistance and weatherability. More specifically, the wallpaper comprises a base layer; a PVC foam layer formed on the base layer; a printed layer formed on the PVC foam layer; and a surface coating layer formed on the printed layer, wherein the surface coating layer is formed by being coated with a biopolymer treatment agent.
Patent KR-20210088393-A (KR)
Title: Screw conveyor for transfering and discharging sludge stored in the sludge reservoir
Inventor: NOO MAENG GOK
IPC: B65G33/24
Filed: 2020-03-26
Abstract: The present invention relates to a screw conveyor for transferring and discharging sludge stored in a sludge storage tank and, more specifically, to a screw conveyor for transferring and discharging sludge stored in a sludge storage tank, which is installed in a lower part of a sludge storage tank, and is capable of preventing leachate or sludge from being spilled (leaked) during the procedure of transferring and discharging the sludge stored in the sludge storage tank. In accordance with the present invention, a combination protrusion and a combination groove, which are engaged and rotated while kept coupled with each other, are placed in a sludge spillage channel between a shaft and the inside of a casing to block the sludge spillage channel connected to a gap between the casing and the shaft and, as a result, the sludge can be prevented from being spilled through the gap between the casing and the shaft to suppress the generation of odors caused by the spillage of leachate or sludge, and the corrosion of components can be prevented so as to prevent reduction in the lifespan thereof.
Patent KR-20200037163-A (KR)
Title: Phase shift mask blank and manufacturing method therefor, phase shift mask and manufacturing method therefor, and display device manufacturing method
Inventor: TSUBOI SEIJI
IPC: G03F1/20
Filed: 2020-03-27
Abstract: The present invention relates to a phase shift mask blank which can be formed into a cross-sectional shape which effectively manifests a phase effect by wet etching. The phase shift mask blank comprises: a transparent substrate; a light semitransmissive film comprising a metal silicide-based material and formed on a main surface of the transparent substrate; and an etching mask film comprising a chromium-based material and formed on the light semitransmissive film, wherein a composition gradient region P is formed at the interface between the light semitransmissive film and the etching mask film. In the composition inclined region P, the proportion of components slowing the wet etching rate of the light semitransmissive film is gradually and/or continuously increasing toward the depth direction.
Patent KR-20210121907-A (KR)
Inventor: JANG SOO YOUNG
IPC: E04F15/20
Filed: 2020-03-31
Abstract: The present invention relates to a multi-vibration prevention system for a floor structure, which can withstand high external loads and severe shocks and effectively blocks vibrations, thereby obtaining sound insulation. The multi-vibration prevention system comprises: a first anti-vibration rubber pad having a first seating part, and installed on the floor; a base plate inserted into the first seating part of the first anti-vibration rubber pad; a post extending upward from the base plate; a first frame having a second seating part formed by first wall parts formed on both sides thereof at a predetermined height, and mounted on the post; a support member coupled to the post under the first frame to support the first frame; a second anti-vibration rubber pad having a plurality of buffer holes and a third seating part, and inserted into the second seating part of the first frame; a second frame having a fourth seating part formed by second wall parts formed on both sides thereof at a predetermined height so that a joist is installed, and inserted into the third seating part; and a third anti-vibration rubber pad having a plurality of buffer holes, and installed on the fourth seating part of the second frame to support the joist.
Patent KR-20210124548-A (KR)
Title: Battery Pack Device for Managing Discharge Balance Hierarchically
Inventor: CHOI SUNG HOON
IPC: G01R31/396
Filed: 2020-04-02
Abstract: The present invention relates to a battery pack device for managing discharge balance hierarchically, which provides an advantage of providing a safety-guaranteed battery pack device. According to the present invention, the battery pack device comprises: M (M >= 1) battery modules provided with N (N >= 2) battery cells; M sub management modules connected to the N battery cells provided in the battery module to measure voltage values for each of N battery cells; and a main management module connected to at least one power terminal between +/- pack power terminals for charging or discharging the battery pack, checking states during or after discharging of the battery pack through the pack power terminal, communicatively connected to the M sub management modules to collect voltage values for each of (M x N) battery cells, and using the collected voltage values for each of (M x N) battery cells during the states during or after discharging of the battery pack to manage a voltage balance state for each of (M x N) battery cells.
Patent KR-20210124598-A (KR)
Title: Battery rack, battery management apparatus comprising the same and operating method thereof
Inventor: CHO IN HO
IPC: H02J9/06
Filed: 2020-04-06
Abstract: Disclosed are a battery rack, a battery management apparatus including the same, and an operating method of the battery management apparatus. The battery rack according to one aspect of the present invention includes: a plurality of battery modules each including a circuit breaker and electrically connected in series to each other; and at least one redundant block connected in parallel to the battery modules connected in series, wherein each redundant block includes a plurality of switches each having one side connected to the electrode or circuit breaker of one battery module, a line connecting the other side of different switches among the switches, at least one redundant module, and a selection switch having one end connected to the line and the other end connected to the first electrode or second electrode of the redundant module, in which the circuit breaker of the specific battery module is opened when a failure occurs in a specific battery module among the battery modules, and the specific battery module is switched to the redundant module through the switches and selection switches.