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Christophe
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Lithium-free polymer battery 90% cheaper than lithium batteries?

Unread Messageby Christophe » 19/07/20, 18:24

This is promising ... on costs ... but no information on the electrical characteristics (mass energy, mass power, discharge current, etc.) .... and no "release" date ...

A new battery 90% cheaper than lithium-ion!

Lithium-ion batteries have a very important role in the world of technology. Indeed, these feed almost everything! A Japanese engineer, formerly at Nissan, spoke of the possibility of reducing mass production costs by 90% while improving safety.

A significant reduction in costs

Hideaki Horie is a Japanese engineer who worked for Nissan Motor Co. In 2018, he founded the company APB Corp. The objective? Manufacture “all polymer batteries”, as he explains in an article in The Japan Times daily published on July 8, 2020. It is about a production method allowing to reduce costs by 90%! Further details are provided in a press release (PDF / 2 pages) published on June 30, 2020.

According to Hideaki Horie, manufacturing lithium-ion batteries is very expensive. The point is, manufacturing costs remain very high despite the mass production process that is supposed to bring down prices. It turns out that components such as metal electrodes or even liquid electrolytes require ultra-modern production lines, comparable to those of factories manufacturing semiconductors.

Indeed, we are talking about “clean room” conditions. The expert evokes airlocks to control humidity, constant air filtering as well as rigorous precision to avoid contamination of highly reactive materials. However, the costs are such that only a handful of leading players are able to afford a factory.

A story of compromise

APB Corp (All Polymer Batteries) could initiate a small revolution in the sector. His secret? Replace the usual components with a stack of polymer sheets (see below). However, the more layers there are, the more the battery capacity increases.

According to Hideaki Horie, this process would allow a simplified production as can be that of steel. Otherwise, overvoltage concerns regarding lithium-ion batteries would not exist in the case of ABP architecture. This project recently received support from industrial equipment manufacturer Yokogawa Electric Corp. and the carbon fiber manufacturer Teijin Ltd.

However, perfection does not exist and it turns out that polymers are less conductive. In other words, the volume of these new batteries will be larger for a similar capacity. However, this constraint could represent a brake despite the attractive promises of reducing manufacturing costs. Thus, companies wishing to acquire such batteries will therefore have to deal with dimensional constraints.


https://sciencepost.fr/une-nouvelle-bat ... thium-ion/

https://www.japantimes.co.jp/news/2020/ ... xR0g54zaUl

newsroom_7_en.pdf
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Re: 90% less lithium-free polymer battery than lithium batteries?

Unread Messageby phil59 » 19/07/20, 18:36

We very often have announcements of "revolution" on batteries, and little concrete outcome.

If there is more volume, there will probably be more weight, which is much more embarrassing in my opinion, for cars, for example.
For the volume, it's a little less annoying, we often put "in the floor", and as we arrive on mini SUV ...

By cons, for stationary, it's not annoying. For the home, having a 20 kWh battery, for photovoltaic panels, at 1000 €, for example, it could be great, and thus be easily autonomous.

Okay, but is this still a neck effect ???????
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Re: 90% less lithium-free polymer battery than lithium batteries?

Unread Messageby GuyGadebois » 19/07/20, 18:48

A sleeve effect? Certainly not, but these "all polymer" batteries will only be an evolution of existing batteries, they will also use lithium:
(Translated)
New generation lithium-ion battery
The basic structure of lithium-ion batteries has not changed since they were put into service and there were no drastic solutions to issues such as complicated manufacturing processes and fire / explosion hazards.
As the range of applications for lithium-ion batteries has been extended from consumer use to automotive and industrial use, APB has pursued “what batteries should be” and conducted an extensive review of the parts. and raw materials for batteries.
To make high quality batteries, we have developed a bipolar structure in which the current flows through the cell interfaces perpendicular to the plane of the electrode, and polymer resin as the base material.
Through the adoption of these technologies, our full polymer batteries are characterized by features such as high reliability, high energy density, high flexibility in size and shape and innovative manufacturing processes at the same time.

https://translate.google.com/translate? ... .co.jp/en/
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Re: 90% less lithium-free polymer battery than lithium batteries?

Unread Messageby phil59 » 19/07/20, 21:07

Every 5-6 you have batteries that will revolutionize the world, and we do not trace it a few years later ...

This is a subject that we follow closely, when we drive in EV ...

Ah, but I forgot, you don't have an EV, and it's not a subject that you actually follow ....
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Re: 90% less lithium-free polymer battery than lithium batteries?

Unread Messageby Christophe » 19/07/20, 21:09

It's not wrong ... Lithium Air was announced for 2020 ... now it's 2025 ...

But the batteries do not have the monopoly of the delay: the fuel cell, for all, was planned for 2005-2010 !! With onboard reformer with ethanol (E85)!

Can we also talk about the EPR? Yes ? No ? : Mrgreen: : Mrgreen: : Mrgreen:
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Re: 90% less lithium-free polymer battery than lithium batteries?

Unread Messageby phil59 » 19/07/20, 21:16

Perfect, but the message was not addressed to you, but rather to the "wooden head" : Cheesy: : Cheesy: : Cheesy: : Cheesy: : Cheesy:

New things, there will be. But when ?

I think it will be announced just before its release and not there, when it is under consideration ...
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Re: 90% less lithium-free polymer battery than lithium batteries?

Unread Messageby ENERC » 20/07/20, 19:46

I don't really believe in it. Polymer batteries were Boloré's techno on autolibs and on the e-mehari.
The batteries held up well with more than 200 km on the odometer, but what is often hidden is that the batteries have to be heated to around 000 ° C to maintain the conductive polymer. A big waste of energy especially in winter (80 W 300/24 to heat the battery - outch).

We are at € 100 per kWh on lithium in 2020 (Tesla, LG Chem). It gives 6000 € for a road battery of 60 kWh.
It must be compared to the cost of a heat engine, its DPF, its exhaust, its gearbox and deduct the cost of an electric motor (negligible)

At 80 € per kWh in 2-3 years, the battery will be less expensive than a diesel engine. it will also be cheaper than a gasoline hybrid.
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Re: 90% less lithium-free polymer battery than lithium batteries?

Unread Messageby phil59 » 20/07/20, 20:06

Let's say that these batteries there, for public transport, where it runs a lot of hours a day, it's a little negligible.

For a car at home, it's a disaster.

I tried the e-mehari, not practical, very noisy.
And you have to "hibernate" the batteries when you're not using them for a long time, and wake them up 48 hours before ... nothing to be simple for an individual ....
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