Battery cell and in situ battery electrode analysis method

Patent metadata

Field	Value
Publication number	US-12080860-B2
Application number	US-201916681503-A
Country	US
Kind code	B2
Filing date	Nov 12, 2019
Priority date	Mar 14, 2011
Publication date	Sep 3, 2024
Grant date	Sep 3, 2024

Abstract

Battery cells are provided that can include: a housing defining a chamber having a fluid inlet and outlet; an anode at one side of the housing; a cathode at another side of the housing opposing and spaced apart from the anode a sufficient amount to allow for electrolyte between the anode and cathode; and the other side of the chamber defined by an ion permeable member. Methods for in situ battery electrode analysis are provided and these methods can include: providing a battery cell having an anode and a cathode; exposing the battery cell to an ion beam while the battery cell is operational to form secondary ions; and detecting the secondary ions to analyze the battery.

First claim

The invention claimed is:

1. A battery cell comprising:
a housing defining a chamber having an electrolyte fluid inlet and outlet, and an aperture through the housing;
an anode within and at one side of the housing opposing the aperture; and
a cathode within and at another side of the housing opposing the one side:
an ion permeable member on the same side as the other side of the housing and between the cathode and the aperture, wherein the cathode is spaced apart from the anode a sufficient amount to allow for electrolyte between the anode and cathode.

2. The battery cell of claim 1 further comprising openings within the housing for individual electrical connections to the cathode and anode.

3. The battery cell of claim 1 wherein the battery is configured as a lithium ion battery.

4. The battery cell of claim 1 wherein the anode comprises Cu film.

5. The battery cell of claim 1 wherein the ion permeable member comprises SiN.

6. The battery cell of claim 1 wherein:
the anode comprises Copper; and
the cathode comprises Lithium.

7. The battery cell of claim 6 wherein the cathode comprises the Lithium over Al foil.

8. The battery cell of claim 6 wherein the cathode comprises LiCoO 2 over Al foil.

9. The battery cell of claim 1 wherein the electrolyte comprises Li + in organic solvent.

10. The battery cell of claim 1 wherein the electrolyte comprises LiPF 6 in organic solvent.

Assignees

• Battelle Memorial Institute

Inventors

• Zhu Zihua
• Wang Chongmin

Classifications

• H01M4/38

  of elements or alloys · CPC title

• H01M10/0525

  Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries · CPC title

• H01M10/0569

  characterised by the solvents · CPC title

• H01M4/525

  of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy · CPC title

• H01M2300/0025

  Organic electrolyte · CPC title