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US 11,456,462 B2Granted
Electrode, secondary battery, battery pack, and vehicle
AssigneeKabushiki Kaisha Toshiba
InventorsTomoko Sugizaki, Tetsuya Sasakawa, Kazuomi Yoshima, Tomoe Kusama, Yasuhiro Harada, Norio Takami
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Abstract
According to one embodiment, an electrode is provided. The electrode includes a current collector, a first layer formed on the current collector, and a second layer formed on at least part of the first layer. The first layer contains a monoclinic niobium titanium composite oxide. The second layer contains lithium titanate having a spinel structure. A porosity P2 of the second layer is within a range from 30% to 80%.
Claims13
An electrode comprising:
- a current collector;
- a first layer formed on the current collector and comprising a monoclinic niobium titanium composite oxide;
- and
- a second layer formed on at least part of the first layer and comprising lithium titanate having a spinel structure, wherein
- a porosity P2 of the second layer is within a range from 30% to 80%.
2 more elements
Dependencies are inferred from the claim text.