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US 11,637,281 B2Granted
Secondary battery, battery pack, vehicle, and stationary power supply
AssigneeKabushiki Kaisha Toshiba
InventorsHayato Seki, Wataru Uno, Takashi Kuboki
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Abstract
According to one embodiment, a secondary battery (100) including a positive electrode (5), a negative electrode (3), a first electrolyte (9), and a second electrolyte (8). The negative electrode (3) includes a lithium titanium oxide having a degree of proton substitution of 0.01 to 0.2. The first electrolyte (9) includes water and in contact with the positive electrode (5). The second electrolyte (8) includes water and in contact with the negative electrode (3).
Claims14
A secondary battery comprising:
- a positive electrode;
- a negative electrode comprising a lithium titanium oxide represented by Hy(Li1-xHx)4Ti5O12, where 0≤x<1 and 0<y<0.2;
- a first electrolyte comprising water and in contact with the positive electrode;
- and
- a second electrolyte comprising water and in contact with the negative electrode.
2 more elements
Dependencies are inferred from the claim text.