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US 2026/0031333 A1Published application
Ultra-fast chargeable and low cost battery cells for battery electric vehicles
AssigneeGM Global Technology Operations LLC
InventorsDewen KONG, Haijing LIU, Fan XU, Mei CAI
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Abstract
A battery cell includes A anode electrodes including an anode active material layer and an anode current collector, S separators, and C capacitor-boosted cathode electrodes, where A, C, and S are integers greater than one. Each of the C capacitor-boosted cathode electrodes includes a cathode current collector; a capacitor layer arranged on the cathode current collector; and a cathode active material layer including cathode active material arranged on the capacitor layer.
Claims19
A battery cell, comprising:
- A anode electrodes including an anode active material layer and an anode current collector;
- S separators;
- and
- C capacitor-boosted cathode electrodes, where A, C, and S are integers greater than one,
- wherein each of the C capacitor-boosted cathode electrodes includes:
- a cathode current collector;
- a capacitor layer arranged on the cathode current collector;
- and
- a cathode active material layer including cathode active material arranged on the capacitor layer.
6 more elements
A battery cell, comprising:
- A anode electrodes including an anode current collector and an anode active material layer comprising graphite particles;
- S separators;
- and
- C capacitor-boosted cathode electrodes,
- each of the C capacitor-boosted cathode electrodes includes:
- a cathode current collector;
- a capacitor layer arranged on the cathode current collector;
- and
- a cathode active material layer arranged on the capacitor layer,
- wherein the cathode active material layer includes lithium iron phosphate (LFP), and
- wherein loading of the cathode active material layer is in a range from 1.5 to 5 mAh/cm2.
8 more elements
A battery cell, comprising:
- A anode electrodes including an anode active material layer arranged on an anode current collector;
- S separators;
- and
- C capacitor-boosted cathode electrodes,
- each of the C capacitor-boosted cathode electrodes includes a cathode current collector, a capacitor layer arranged on the cathode current collector, and a cathode active material layer arranged on the capacitor layer,
- the anode active material layer includes a material selected from the group consisting of coated graphite particles, a blend of graphite particles and silicon-based particles, and combinations thereof.
3 more elements
Dependencies are inferred from the claim text.