Invention Grant
- Patent Title: Method of making hard carbon materials
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Application No.: US16120046Application Date: 2018-08-31
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Publication No.: US10910638B2Publication Date: 2021-02-02
- Inventor: Shantanu Mitra , Vinod Nair
- Applicant: Farad Power, Inc.
- Applicant Address: US CA Sunnyvale
- Assignee: Farad Power, Inc.
- Current Assignee: Farad Power, Inc.
- Current Assignee Address: US CA Sunnyvale
- Agency: Riddhi IP LLC
- Agent Geeta Kadambi
- Main IPC: C01B31/02
- IPC: C01B31/02 ; H01M4/36 ; C04B35/524 ; C04B35/64 ; H01M4/587 ; H01M10/0525 ; H01G11/32 ; H01G11/50 ; C01B32/05 ; C04B35/52 ; H01G11/86 ; H01M4/133 ; H01M4/1393 ; H01M4/02 ; H01M4/38 ; H01M4/485 ; H01M10/054 ; H01M4/134 ; H01M4/131

Abstract:
A non-amorphous hard carbon material, synthesized from Furan-ring containing compounds, is described. These non-amorphous hard carbon materials have a d002 peak in their X-ray diffraction patterns, corresponding to an interlayer spacing of >3.6 Å, along with a prominent D-band peak in their Raman spectra. BET surface area values between 2 m2/gm and around 100 m2/gm can be obtained by controlling the processing parameters of temperature, time and heating rate. The higher surface area HCs—in Li-ion and Na-ion anode configurations—are capable of high charging rates up to 100 C with a cycle life of up to 1000 cycles. Composites of these non-amorphous hard carbons with silicon and lithium compounds are also disclosed.
Public/Granted literature
- US20180375093A1 METHOD OF MAKING HARD CARBON MATERIALS Public/Granted day:2018-12-27
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