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Flexible battery with solid electrolyte

20.11.2015

Sony is developing a battery with a solid electrolyte. The manufacturer showed a prototype of this product.

The solid electrolyte is deposited on a thin film positive electrode, which allows the battery to be bent and folded. It is important that the manufacture of the electrode is not associated with the use of high temperatures, which reduces the cost of production. The fact is that Sony specialists used an amorphous substance, while now such batteries use films with a crystalline structure, the formation of which requires high-temperature production steps.

The specific battery capacity per unit mass is 330 mAh/g, which is quite a high figure. The battery is said to last approximately 2000 charge-discharge cycles. In addition to flexibility, the advantages of the new battery include greater safety. As for the cons, while the battery is characterized by too high a self-discharge current.

Sony announced the development back in 2014, and the prototype was first shown at the 56th power supply symposium, which was recently held in Japan.

Commercialization of the development is expected in the coming years. It is expected that flexible batteries with a solid electrolyte will find application in wearable electronic devices, including foldable ones. Other companies are also developing in this area.

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As the developers say, for a quantum computer, at least a two-dimensional array of similar qubits with an error rate of less than 1% is needed. In the event that we are talking about the release of such devices on a commercial basis, the error rate should be about 0,1%, i.e. an order of magnitude lower. Be that as it may, the work of the authors showed a way in which qubits can be connected into a linear system and controlled.

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