Rechargeable battery invented by College Student has rechargeable life of 400 years? - Page 1
Forum section: electronics / general

author: ccs46
author_rank: Regular Contributor
timestamp: September 19, 2016, 10:44:46 pm
content: https://www.good.is/articles/nanobatteries-last-forever?utm_source=Seeker&utm_medium=FB&utm_campaign=ShareFor those who cannot goto the website or are behind firewalls:QuoteCould this finally be the death of big battery?I predict they will somehow try and hide this.Perhaps Dave could do a video on this? Proving or disproving how it/how it could work/s?Sent from my iPhone using Tapatalk

author: edy
author_rank: Super Contributor
timestamp: September 19, 2016, 10:58:43 pm
content: Assuming the article is correct, all they have is a device which doesn't degrade over time. It will cycle and cycle for "400 years" by picking up and releasing charge. Great. So can a really well made capacitor. But what is the capacity of the battery, and how much current can it deliver?Capacitor-style storage semiconductors for memory, solid stage storage and microprocessors can also cycle billions of times without showing any sign of degradation. Sure, they store a minuscule amount of charge... only enough to hold a "0" or "1" to be read later. But that doesn't mean they can provide much power.So the question remains, this battery can cycle... but what kind of capacity can it store? Assuming it is good enough, then the question is can they ramp up production to levels that bring costs down and will the characteristics be useful for most devices.

author: suicidaleggroll
author_rank: Super Contributor
timestamp: September 19, 2016, 11:04:06 pm
content: These kinds of articles are mostly useless, just click-bait. Until you know the energy density and manufacturability of it, there's no real point.I'm much more excited about this:http://news.mit.edu/2016/lithium-metal-batteries-double-power-consumer-electronics-0817Double the energy density of lithium ion, and manufacturable with existing equipment and processes.

author: MosherIV
author_rank: Super Contributor
timestamp: September 19, 2016, 11:04:53 pm
content: Yawn, read about so many so called break throughs in battery technology it is boring.There are many hurdles to get through before it even gets near a comercial product.Does the technology have battery capacity to match or better existing technologies?The first is proof the technology is viable for consumer grade batteries.Then they have to figure out how to productionise the manufacturing of the battery.Safety testing.The list goes on.

author: System Error Message
author_rank: Frequent Contributor
timestamp: September 20, 2016, 12:38:45 am
content: super capacitors may be the next battery instead as dont they have lots of cycle life?

author: Dubbie
author_rank: Unknown
timestamp: September 20, 2016, 01:00:24 am
content: Yes, an enormous cycle life. However, terrible energy density.you'd need a fanny pack full of them to power your phone.

author: System Error Message
author_rank: Frequent Contributor
timestamp: September 20, 2016, 01:05:34 am
content: no need. you can have capacitor banks in your roof under the solar. Sure the density sucks but they arent heavy so wherever you can fit them works.

author: Bud
author_rank: Super Contributor
timestamp: September 20, 2016, 01:46:07 am
content: It is another female university student with another revolutionary idea. Good thing Walt Mossberg left WSJ, otherwise it could become another uBeam. BTW, does Mark Cuban know about this?

author: AndyC_772
author_rank: Super Contributor
timestamp: September 20, 2016, 10:08:34 am
content: Q: Why did you replace your last phone?A: Because the built-in, non-replaceable battery no longer held a charge.Phone manufacturers *love* the fact that batteries die after a couple of years ago. There's no possible way they'd adopt a new battery technology that doesn't.

author: Halcyon
author_rank: Unknown
timestamp: September 20, 2016, 10:15:11 am
content: Quote from: System Error Message on September 20, 2016, 12:38:45 amDidn't someone do a car battery replacement thing using caps instead?

author: tszaboo
author_rank: Super Contributor
timestamp: September 20, 2016, 10:19:37 am
content: Another Chinese/Taiwaneese university student in 'merica will revolutionise the battery industry with nanotechnology, and it can be charged by 100C, it has coulombic efficiency of 99.9999% and it is made out of dog poo, which is avaliable in large quantity. They claim that production can be as soon as 2025+ex, they just need to figure out how to scale it. It is nanotechnology. It does not scale.How many articles did we have with the same claims?

author: amyk
author_rank: Super Contributor
timestamp: September 20, 2016, 10:26:12 am
content: Quote from: AndyC_772 on September 20, 2016, 10:08:34 amThis, exactly. Even if they existed, they will be "cost-engineered" so they don't actually last so long. Look what happened to LED lighting, for example.

author: Delta
author_rank: Super Contributor
timestamp: September 20, 2016, 11:40:25 am
content: Quote from: System Error Message on September 20, 2016, 01:05:34 amPlease post some photos of your solar / supercap installation, sounds interesting! When did you install it?

author: System Error Message
author_rank: Frequent Contributor
timestamp: September 20, 2016, 03:10:11 pm
content: Quote from: Delta on September 20, 2016, 11:40:25 ami dont have solar, its just a suggestion for those who may have the space unused to reduce load on batteries.

author: NottheDan
author_rank: Frequent Contributor
timestamp: September 20, 2016, 03:22:43 pm
content: Quote from: AndyC_772 on September 20, 2016, 10:08:34 amFTFYThe vast majority of people replace their phones before the battery dies on them.