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Secondary battery, battery pack, vehicle, and stationary power supply

專利號
US10868331B2
公開日期
2020-12-15
申請人
KABUSHIKI KAISHA TOSHIBA（JP Minato-ku）
發(fā)明人
Yasuyuki Hotta; Shinsuke Matsuno; Norio Takami
IPC分類
H01M4/02; H01M10/0565; B60L58/10; H01M2/16; H01M10/0525; H01M10/0585; H01M10/42
技術(shù)領域
electrode,separator,battery,negative,solid,positive,in,layer,material,secondary
地域： Minato-ku

摘要

According to one embodiment, a secondary battery is provided. The separator includes a porous self-supporting film, a solid electrolyte layer, and a first binder. The solid electrolyte layer is provided on one main surface of the porous self-supporting film. The porous self-supported film and the solid electrolyte layer are adhered with the first binder. The first binder exists on both of the one main surface and another main surface of the porous self-supporting film. The solid electrolyte layer includes solid electrolyte particles and a second binder. The solid electrolyte particles have alkali metal ions conductivity. The polymeric material of the second bonder is a same as the polymeric material of the first material.

說明書

The battery pack according to the third embodiment includes the secondary battery according to the first embodiment or the battery module according to the second embodiment. Hence, the battery pack according to the third embodiment has a high energy density and is excellent in safety.

Fourth Embodiment

According to a fourth embodiment, a vehicle is provided. The battery pack according to the third embodiment is installed on this vehicle.

In the vehicle according to the fourth embodiment, the battery pack is configured, for example, to recover regenerative energy from motive force of the vehicle. The vehicle according to the fourth embodiment can include a mechanism configured to convert kinetic energy of the vehicle into regenerative energy.

Examples of the vehicle according to the fourth embodiment include two- to four-wheeled hybrid electric automobiles, two- to four-wheeled electric automobiles, electric assist bicycles, and railway cars.

In the vehicle according to the fourth embodiment, the installing position of the battery pack is not particularly limited. For example, the battery pack may be installed in the engine compartment of the vehicle, in rear parts of the vehicle, or under seats.

The vehicle according to the fourth embodiment may be equipped with a plurality of battery packs. In this case, the battery packs may be electrically connected in series, may be electrically connected in parallel, or may be electrically connected in a combination of series connection and parallel connection.

An example of the vehicle according to the fourth embodiment is explained below, with reference to the drawings.

權(quán)利要求

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