A nonaqueous electrolyte battery comprising: a positive electrode comprising positive electrode active material secondary particles having an average secondary particle size of 3 um to 25 um and a layer which covers at least a portion of surfaces of the positive electrode active material secondary particles, contains a lithium titanium oxide, and has a thickness of 3 nm to 30 nm; a negative electrode; and a nonaqueous electrolyte, wherein a shortest distance between the positive electrode and the negative electrode is from 3 μm to 12 μm and wherein the positive electrode active material secondary particles comprise at least one selected from the group consisting of a lithium manganese composite oxide having a spinel structure represented by Li x Mn 2 O 4 where 0 ≤ x ≤ 1, a lithium nickel cobalt manganese composite oxide represented by Li x Ni 1-e-f Co e Mn f O 2 where 0 ≤ x ≤ 1.1, 0 < e < 1, 0 < f < 1, a lithium nickel aluminum composite oxide represented by Li x Ni 1-z-q Co z Al q O 2 where 0 ≤ x ≤ 1, 0 ≤ z ≤ 1, 0 < q ≤ 0.2, a lithium nickel manganese composite oxide having a spinel structure represented by Li x Ni d Mn 2-d O 4 where 0 ≤ x ≤ 1, 0.3 ≤ d ≤ 0.6, a lithium-phosphorus composite oxide having an olivine structure represented by Li x CoPO 4 where 0 < x ≤ 1, and a phosphate compound having an olivine structure represented by Li x Fe 1-y-z Mn y M z PO 4 where M is at least one element selected from the group consisting of Mg, Al, Ti, and Zr, 0 ≤ x ≤ 1.1, 0 ≤ y ≤ 1, 0 ≤ z ≤ 0.2, wherein the nonaqueous electrolyte is a liquid organic electrolyte or a gel organic electrolyte, and the nonaqueous electrolyte battery further comprises an electrolyte layer facing at least one of the positive electrode and the negative electrode, and the electrolyte layer comprises the nonaqueous electrolyte and lithium-containing oxide particles consisting of at least one selected from the group consisting of Li 5+x A x La 3-x M 2 O 12 where A is at least one element selected from the group consisting of Ca, Sr, and Ba, M is Nb and/or Ta, and x is in a range of 0.5 or less including 0, Li 3 M 2-x L 2 O 12 where M is Nb and/or Ta, L contains Zr, and x is in a range of 0.5 or less including 0, Li 7-3x Al x La 3 Zr 3 O 12 where x is in a range of 0.5 or less including 0, Li 7 La 3 Zr 2 O 12, LiM1 2 (PO 4) 3 where M1 is one or more elements selected from the group consisting of Ti, Ge, Sr, Zr, Sn, and Al, Li 1+x Al x Ge 2-x (PO 4) 3 where x is in a range of 0 or more to 0.5 or less, Li 1+x Al x Zr 2-x (PO 4) 3 where x is in a range of 0 or more to 0.5 or less, and Li 1+x Al x Ti 2-x (PO 4) 3 where x is in a range of 0 or more to 0.5 or less. a positive electrode comprising positive electrode active material secondary particles having an average secondary particle size of 3 um to 25 um and a layer which covers at least a portion of surfaces of the positive electrode active material secondary particles, contains a lithium titanium oxide, and has a thickness of 3 nm to 30 nm; a negative electrode; and a nonaqueous electrolyte, wherein a shortest distance between the positive electrode and the negative electrode is from 3 μm to 12 μm and wherein the positive electrode active material secondary particles comprise at least one selected from the group consisting of a lithium manganese composite oxide having a spinel structure represented by Li x Mn 2 O 4 where 0 ≤ x ≤ 1, a lithium nickel cobalt manganese composite oxide represented by Li x Ni 1-e-f Co e Mn f O 2 where 0 ≤ x ≤ 1.1, 0 < e < 1, 0 < f < 1, a lithium nickel aluminum composite oxide represented by Li x Ni 1-z-q Co z Al q O 2 where 0 ≤ x ≤ 1, 0 ≤ z ≤ 1, 0 < q ≤ 0.2, a lithium nickel manganese composite oxide having a spinel structure represented by Li x Ni d Mn 2-d O 4 where 0 ≤ x ≤ 1, 0.3 ≤ d ≤ 0.6, a lithium-phosphorus composite oxide having an olivine structure represented by Li x CoPO 4 where 0 < x ≤ 1, and a phosphate compound having an olivine structure represented by Li x Fe 1-y-z Mn y M z PO 4 where M is at least one element selected from the group consisting of Mg, Al, Ti, and Zr, 0 ≤ x ≤ 1.1, 0 ≤ y ≤ 1, 0 ≤ z ≤ 0.2, wherein the nonaqueous electrolyte is a liquid organic electrolyte or a gel organic electrolyte, and the nonaqueous electrolyte battery further comprises an electrolyte layer facing at least one of the positive electrode and the negative electrode, and the electrolyte layer comprises the nonaqueous electrolyte and lithium-containing oxide particles consisting of at least one selected from the group consisting of Li 5+x A x La 3-x M 2 O 12 where A is at least one element selected from the group consisting of Ca, Sr, and Ba, M is Nb and/or Ta, and x is in a range of 0.5 or less including 0, Li 3 M 2-x L 2 O 12 where M is Nb and/or Ta, L contains Zr, and x is in a range of 0.5 or less including 0, Li 7-3x Al x La 3 Zr 3 O 12 where x is in a range of 0.5 or less including 0, Li 7 La 3 Zr 2 O 12, LiM1 2 (PO 4) 3 where M1 is one or more elements selected from the group consisting of Ti, Ge, Sr, Zr, Sn, and Al, Li 1+x Al x Ge 2-x (PO 4) 3 where x is in a range of 0 or more to 0.5 or less, Li 1+x Al x Zr 2-x (PO 4) 3 where x is in a range of 0 or more to 0.5 or less, and Li 1+x Al x Ti 2-x (PO 4) 3 where x is in a range of 0 or more to 0.5 or less.