Hybrid batteries and battery systems

Patent metadata

Field	Value
Publication number	US-2021143501-A1
Application number	US-201916677519-A
Country	US
Kind code	A1
Filing date	Nov 7, 2019
Priority date	Nov 7, 2019
Publication date	May 13, 2021
Grant date	—

Abstract

Hybrid batteries and hybrid battery systems are provided. The hybrid battery systems described herein can include at least one first electrode comprising a first active material, at least one second electrode comprising a second active material, at least one first opposite electrode positioned between the first electrode and the second electrode, a plurality of separators, and an electrolyte. Each of the plurality of separators is positioned between the at least one first electrode and the at least one first opposite electrode and between the at least one second electrode and the at least one first opposite electrode. The hybrid battery systems can be lithium-ion hybrid battery systems.

First claim

What is claimed is:

1 . A hybrid battery comprising:
at least one first electrode comprising a first active material; at least one second electrode comprising a second active material; at least one first opposite electrode positioned between the first electrode and the second electrode; a plurality of separator, each positioned between the at least one first electrode and the at least one first opposite electrode and between the at least one second electrode and the at least one first opposite electrode; and an electrolyte.

2 . The hybrid battery of claim 1 , wherein the at least one first electrode is a first anode and the at least one second electrode is a second anode.

3 . The hybrid battery of claim 2 , wherein the first active material comprises silicon.

4 . The hybrid battery of claim 3 , wherein the first anode is a Si-dominant anode.

5 . The hybrid battery of claim 3 , wherein second active material comprises graphite, hard carbon, titanate, or tin.

6 . The hybrid battery of claim 2 , wherein the at least one first opposite electrode is a first cathode.

7 . The hybrid battery of claim 6 , wherein the first cathode is selected from the group consisting of lithium cobalt oxide, lithium manganese oxide, lithium nickel cobalt manganese oxide, lithium nickel cobalt aluminum oxide, lithium nickel manganese spinel, and lithium iron phosphate.

8 . The hybrid battery of claim 6 , further comprising a second opposite electrode, wherein the second opposite electrode is a second cathode.

9 . The hybrid battery of claim 8 , wherein the second cathode is selected from the group consisting of lithium cobalt oxide, lithium manganese oxide, lithium nickel cobalt manganese oxide, lithium nickel cobalt aluminum oxide, lithium nickel manganese spinel, and lithium iron phosphate.

10 . The hybrid battery of claim 1 , wherein the at least one first electrode is a first cathode and the at least one second electrode is a second cathode.

11 . The hybrid battery of claim 10 , wherein the first active material and the second active material are different and are each independently selected from the group consisting of lithium cobalt oxide, lithium manganese oxide, lithium nickel cobalt manganese oxide, lithium nickel cobalt aluminum oxide, lithium nickel manganese spinel, and lithium iron phosphate.

12 . The hybrid battery of claim 10 , wherein the first active material comprises lithium cobalt oxide and the second active material comprises lithium nickel cobalt aluminum oxide.

13 . The hybrid battery of claim 10 , wherein the at least one first opposite electrode is an anode comprising silicon.

14 . The hybrid battery of claim 13 , wherein the anode is a silicon-dominant anode.

15 . The hybrid battery of claim 1 , wherein the first active material is the same as the second active material.

16 . The hybrid battery of claim 15 , wherein the first active material and the second active material comprises silicon.

17 . The hybrid battery of claim 15 , wherein the at least one first electrode is a high-energy anode and the at least one second electrode is a high-power anode.

18 . The hybrid battery of claim 17 , wherein the high-energy anode is a Si-dominant anode.

19 . The hybrid battery of claim 17 , wherein the at least one first opposite electrode is a first cathode.

20 . The hybrid battery of claim 19 , wherein the first cathode is selected from the group consisting of lithium cobalt oxide, lithium manganese oxide, lithium nickel cobalt manganese oxide, lithium nickel cobalt aluminum oxide, lithium nickel manganese spinel, and lithium iron phosphate.

21 . The hybrid battery of claim 15 , wherein the at least one first electrode is a high-energy cathode and the at least one second electrode is a high-power cathode.

22 . The hybrid battery of claim 21 , wherein the high-energy cathode and the high-power cathode comprises the same cathode active material selected from the group consisting of lithium cobalt oxide, lithium manganese oxide, lithium nickel cobalt manganese oxide, lithium nickel cobalt aluminum oxide, lithium nickel manganese spinel, and lithium iron phosphate.

23 . The hybrid battery of claim 21 , wherein the at least one first opposite electrode is a first anode.

24 . The hybrid battery of claim 23 , wherein the first anode is a Si-based anode.

25 . The hybrid battery of claim 24 , wherein the first anode is a Si-dominant anode.

26 . The hybrid battery of claim 23 , wherein the first anode has an excess capacity compared to the high-energy cathode and the high-power cathode.

27 . The hybrid battery of claim 15 , wherein the at least one first electrode and the at least one second electrode are the same, and each comprises a high-energy cathode active material layer and a high-power cathode active material layer disposed on each side of a first current collector.

28 . The hybrid battery of claim 27 , wherein each of the high-energy cathode active material layer and the high-power cathode active material layer comprises the same material selected from the group consisting of lithium cobalt oxide, lithium manganese oxide, lithium nickel cobalt manganese oxide, lithium nickel cobalt aluminum oxide, lithium nickel manganese spinel, and lithium iron phosphate.

29 . The hybrid battery of claim 27 , wherein the at least one first opposite electrode is an anode comprising a high-energy anode active material layer and a high-power anode active material layer disposed on each side of a second current collector.

30 . The hybrid battery of claim 29 , wherein each of the high-energy anode active material layer and the high-power anode active material layer comprises Si.

31 . The hybrid battery of claim 29 , wherein the high-energy anode active material layer is paired with the high-energy cathode active material layer, and the high-power anode active material layer is paired with the high-power cathode active material layer.

32 . The hybrid battery of claim 27 , wherein the at least one first opposite electrode is an anode comprising Si.

33 . The hybrid battery of claim 32 , wherein the anode comprises the same anode active material layer on each side of a second current collection.

34 . The hybrid battery of claim 33 , wherein the anode active material layer has an excess capacity compared to the high-energy cathode active material layer and the high-power cathode active material layer.

Assignees

• Enevate Corp

Inventors

• Park Benjamin Yong
• Teng Shiang Jen
• Rango Robert A
• Tou Jarvis
• Chhorng Monika

Classifications

• Y02E60/10

  Energy storage using batteries · CPC title

• H01M4/583

  Carbonaceous material, e.g. graphite-intercalation compounds or CFx · CPC title

• H01M4/52

  of nickel, cobalt or iron · CPC title

• H01M4/387

  Tin or alloys based on tin · CPC title

• H01M4/366

  as layered products · CPC title