白丝美女被狂躁免费视频网站,500av导航大全精品,yw.193.cnc爆乳尤物未满,97se亚洲综合色区,аⅴ天堂中文在线网官网

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

專(zhuān)利號(hào)
US10868331B2
公開(kāi)日期
2020-12-15
申請(qǐng)人
KABUSHIKI KAISHA TOSHIBA（JP Minato-ku）
發(fā)明人
Yasuyuki Hotta; Shinsuke Matsuno; Norio Takami
IPC分類(lèi)
H01M4/02; H01M10/0565; B60L58/10; H01M2/16; H01M10/0525; H01M10/0585; H01M10/42
技術(shù)領(lǐng)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(shuō)明書(shū)

The aqueous electrolyte contains an aqueous solvent and an electrolyte salt. The aqueous electrolyte may be a liquid. A liquid aqueous electrolyte is prepared by dissolving the electrolyte salt serving as a solute in the aqueous solvent.

As the electrolyte salt, for example, a lithium salt, a sodium salt, or a mixture thereof can be used. As the lithium salt or sodium salt, the same salt that can be contained in the solid electrolyte layer can be used. As the lithium salt, LiCl is preferably contained. When LiCl is used, the lithium ion concentration of the aqueous electrolyte can be made high. Additionally, the lithium salt preferably contains at least one of LiSO4 and LiOH in addition to LiCl.

The mol concentration of lithium ions in the aqueous electrolyte is preferably 3 mol/L or more, more preferably 6 mol/L or more, and much more preferably 12 mol/L or more. When the concentration of the lithium ions in the aqueous electrolyte is high, electrolysis of the aqueous solvent in the negative electrode can easily be suppressed, and hydrogen generation from the negative electrode tends to be little.

In the aqueous electrolyte, the aqueous solvent amount is preferably 1 mol or more relative to 1 mol of the salt serving as a solute. In a more preferable form, the aqueous solvent amount relative to 1 mol of the salt serving as a solute is 3.5 mol or more.

The aqueous electrolyte preferably contains, as an anion species, at least one anion species selected from the group consisting of a chloride ion (Cl?), a hydroxide ion (OH?), a sulphate ion (SO42?), and a nitrate ion (NO3?).

The pH of the aqueous electrolyte is preferably 3 to 14, and more preferably 4 to 13.

權(quán)利要求

1
微信群二維碼
意見(jiàn)反饋