NZ766957A - Cell matching across multiple characteristics during battery assembly - Google Patents

Cell matching across multiple characteristics during battery assembly

Info

Publication number
NZ766957A
NZ766957A NZ766957A NZ76695717A NZ766957A NZ 766957 A NZ766957 A NZ 766957A NZ 766957 A NZ766957 A NZ 766957A NZ 76695717 A NZ76695717 A NZ 76695717A NZ 766957 A NZ766957 A NZ 766957A
Authority
NZ
New Zealand
Prior art keywords
cell
cells
compatible
cel
compatible cells
Prior art date
Application number
NZ766957A
Other versions
NZ766957B2 (en
Inventor
Lewis Hom
Thomas Muniz
Patrick Herring
Original Assignee
Wisk Aero Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wisk Aero Llc filed Critical Wisk Aero Llc
Priority claimed from NZ753964A external-priority patent/NZ753964B2/en
Publication of NZ766957A publication Critical patent/NZ766957A/en
Publication of NZ766957B2 publication Critical patent/NZ766957B2/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/367—Software therefor, e.g. for battery testing using modelling or look-up tables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/06—Arrangements for sorting, selecting, merging, or comparing data on individual record carriers
    • G06F7/08—Sorting, i.e. grouping record carriers in numerical or other ordered sequence according to the classification of at least some of the information they carry
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • H01M10/0404—Machines for assembling batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4221—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells with battery type recognition
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4285—Testing apparatus
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/50—Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
    • H01M6/5011—Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature for several cells simultaneously or successively
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/50—Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
    • H01M6/5066—Type recognition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)

Abstract

A battery, comprising: a container; a lid; and a plurality of compatible cells, wherein the plurality of compatible cells included in the battery is selected from a plurality of cells, including by: for each cell in the plurality of cells: receiving a first cell characteristic and a second cell characteristic in order to obtain a plurality of cell characteristics; determining a first difference between a first cell in the plurality of cells and a second cell in the plurality of cells for a first cell characteristic; determining a second difference between the first cell and the second cell for a second cell characteristic; and in the event (1) the first difference does not exceed a first tolerance associated with the first cell characteristic and (2) the second difference does not exceed a second tolerance associated with the second cell characteristic, declaring the first cell and the second cell to be compatible, and including the first cell and the second cell in the battery.

Claims (14)

1. A battery, comprising: a container; a lid; and a plurality of compatible cells, wherein the plurality of compatible cells included in the battery is selected from a plurality of cells, including by: for each cell in the plurality of cells: receiving a first cell characteristic and a second cell characteristic in order to obtain a plurality of cell characteristics; determining a first difference between a first cell in the plurality of cells and a second cell in the plurality of cells for a first cell characteristic; determining a second difference between the first cell and the second cell for a second cell characteristic; and in the event (1) the first difference does not exceed a first tolerance associated with the first cell characteristic and (2) the second difference does not exceed a second tolerance associated with the second cell characteristic, declaring the first cell and the second cell to be compatible, and including the first cell and the second cell in the battery.
2. The battery recited in claim 1, wherein the first cell characteristic includes one of a capacity, an open circuit voltage, a resistance, or a self-discharge rate associated with the first cell and the second cell, respectively; and wherein the second cell characteristic includes another one of the capacity, the open circuit voltage, the resistance, or the self-discharge rate associated with the first cell and the second cell, respectively.
3. The battery recited in claim 1, further comprising: for each cell in the plurality of compatible cells, determine, based at least in part on a plurality of cell characteristics, a batch compatibility number that is associated with a number of compatible cells that that cell is compatible with.
4. The battery recited in claim 3, further comprising: identifying a plurality of tied cells among the plurality of compatible cells having a same batch compatibility number; determining, for each tied cell in the plurality of tied cells, a set of compatible cells in order to obtain a plurality of sets of compatible cells; and breaking a tie between the plurality of tied cells based at least in part on uniqueness associated with the plurality of sets of compatible cells and one or more batch compatibility numbers associated with the plurality of sets of compatible cells.
5. The battery recited in claim 4, wherein breaking the tie between the plurality of tied cells includes: sorting the plurality of sets of compatible cells based at least in part on the batch compatibility numbers associated with the plurality of sets of compatible cells to obtain a plurality of sorted lists of compatible cells; selecting two or more compatible cells to compare from different sorted lists of compatible cells, wherein the selected compatible cells are at a same level in their respective sorted lists of compatible cells; and in the event a minimum batch compatibility number, associated with the selected compatible cells to compare, is unique, selecting a tied cell, associated with the minimum and unique batch compatibility number, as a tiebreak winner.
6. The battery recited in claim 1, wherein the plurality of compatible cells are from a same manufacturing run.
7. A method, comprising: providing a plurality of cells; for each cell among the plurality of cells: receiving a first cell characteristic and a second cell characteristic in order to obtain a plurality of cell characteristics; determining a first difference between a first cell in the plurality of cells and a second cell in the plurality of cells for a first cell characteristic; determining a second difference between the first cell and the second cell for a second cell characteristic; and in the event (1) the first difference does not exceed a first tolerance associated with the first cell characteristic and (2) the second difference does not exceed a second tolerance associated with the second cell characteristic, declaring the first cell and the second cell to be compatible; and including the first cell and the second cell in a battery.
8. The method recited in claim 7, wherein the first cell characteristic includes one of a capacity, an open circuit voltage, a resistance, or a self-discharge rate associated with the first cell and the second cell, respectively; and wherein the second cell characteristic includes another one of the capacity, the open circuit voltage, the resistance, or the self-discharge rate associated with the first cell and the second cell, respectively.
9. The method recited in claim 7, further comprising: for each cell in the plurality of compatible cells, determine, based at least in part on a plurality of cell characteristics, a batch compatibility number that is associated with a number of compatible cells that that cell is compatible with.
10. The method recited in claim 9, further comprising: identifying a plurality of tied cells among the plurality of compatible cells having a same batch compatibility number; determining, for each tied cell in the plurality of tied cells, a set of compatible cells in order to obtain a plurality of sets of compatible cells; and breaking a tie between the plurality of tied cells based at least in part on uniqueness associated with the plurality of sets of compatible cells and one or more batch compatibility numbers associated with the plurality of sets of compatible cells.
11. The method recited in claim 10, wherein breaking the tie between the plurality of tied cells includes: sorting the plurality of sets of compatible cells based at least in part on the batch compatibility numbers associated with the plurality of sets of compatible cells to obtain a plurality of sorted lists of compatible cells; selecting two or more compatible cells to compare from different sorted lists of compatible cells, wherein the selected compatible cells are at a same level in their respective sorted lists of compatible cells; and in the event a minimum batch compatibility number, associated with the selected compatible cells to compare, is unique, selecting a tied cell, associated with the minimum and unique batch compatibility number, as a tiebreak winner.
12. The method recited in claim 7, wherein the plurality of compatible cells are from a same manufacturing run.
13. The method recited in claim 7, further comprising: generating a cell compatibility matrix indicating whether a given pair of cells is compatible across a plurality of cell characteristics.
14. The method recited in claim 7, further comprising: determining that a difference between the first cell and the second cell for all plurality of cell characteristics does not exceed a tolerance associated with each one of the plurality of cell characteristics. (108) 100 ­ ( 10 ) 1 . FIG Lid) (Witout Bater Insulaton (102) Ce l 2 Ce l l5 l f - D i F I G Vaues c Characerst l Ce D6 05 D4 03 D2 01 scare Se 203 R6 R5 R4 R3 R2 Rt Resistanc ge Volt V6 V5 V4 V3 V2 i rct Opn 201 C6 C5 C4 C3 C2 ty Capac 3 Cel 6 l Ce Cel 4 1 Cel , 302 i a R a t F I G e re sc Sefd B Cel A A l Cel # Close y Suicent of Number 303 - Resstanc B l Ce A A l Ce Apar Far To of Number e lt Vo Circt Open B Cel A A l Cel # Cells Apar r Fa Too of Number 301 - Capact B Cel A A l Cel # Close Sufcenty f Number i n u i r c l a c t o r s p f b F I G number ibility cmpa batch lowest the with cll a th wi ing beginn and cls of st li sred ' e th y ed ec der the o g rdin s of pluraity te evauating by incuding , bater a in incude to cels cmpatble of lst a te Gener cls of list ed so obtain a to order n mbers y lit cmpatib batc te to acrding clls of pluralit te Sor wt ible cmpa is cll t ta tat s cmpatible cl of number a h asocated is t tha number cmpatblity batc caracerstc a l cl of plurlity the on par in t leas t based , determine , clls of plurality the in ll ce eac For carcterstic cll of purity a ain ob to order in c caracerst l ce scnd a and charactersic cll frst recive a , cells of lurlit a in eac cll For Cel2 Cel6 Cel4 C C C F I G e) ibl ncmpat = IC , Compatible = (C Matrx Compatbility Cei NIA C C 4 C C Cel 6 C N/A C 5 Cel IC C C C IC N/A IC IC NIA IC 3 Cel C C C k N/A C 2 Cel C iC C C C NIA 1 Cel Cel 5 4 l Ce 3 Cel 1 Cel 500 - c l c l F I G compatibe incmpatble b o cl secnd b to cll secnd the and l cel frst te Decare the and cl frst te Decare erstic? charac cll 2° a/ c ra tol 2n exceds ference 2' caractersic? cll a/w anc tole exceeds erenc di caracerstic l secnd the for l secnd the and cl frst he beteen iferenc secnd a ine Determ caractersic cil the frs fr s cl of plurlit the in cl secnd a and clls f plurlty te in cll frst a beween diference frst a ne Deter 402 . Cel2 3 F I G 13 7/ Cells of Ls Sored op to Bottom 2 3 l Ce fom Evaluate 2 5 Cei 1 Cel 4 4 Cel 4 6 Cel r be Nu y Compatbli Batc 70o - Ceil3 ' Ce i ls F I G Updates) (With Batter in Incude Lst Sored to Compatble 5 Cel 2 Cei Incmpatible 3 Cel - Incpab° 1 Cel 80c 802c 808 - Updates) (Wih Batter in Include Ls Sored to Cels Compatbe 5 Cei 1 Cell Compatible [ 3 Cell 2 Cell 80 ~ b 80 updates) (Wth Bater in Incude List Sored to Cels Compatibe 5 Cel Incmpatible 1 Cell 2 Cei 802a F I G cels cmpatbe f sts of lit pur the wit assocated numbers ty ibil cmpa batc or more one d an clls cmpatible 902 o sts of puralit wth the ed assoca uniquenes on par in least at based clls ted of pluralit he n betee e Break a ibe compa of sts of plurlity a n otai to 900 r orde in compatble cls st of a , cl ted of pluralit a in cl tied each for , Deterne
NZ766957A 2017-01-09 Cell matching across multiple characteristics during battery assembly NZ766957B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/400,488 US10274543B2 (en) 2017-01-06 2017-01-06 Cell matching across multiple characteristics during battery assembly
NZ753964A NZ753964B2 (en) 2017-01-06 2017-01-09 Cell matching across multiple characteristics during battery assembly

Publications (2)

Publication Number Publication Date
NZ766957A true NZ766957A (en) 2024-05-31
NZ766957B2 NZ766957B2 (en) 2024-09-03

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Also Published As

Publication number Publication date
US20240329140A1 (en) 2024-10-03
CN110062979B (en) 2022-07-08
US20180198174A1 (en) 2018-07-12
US20240027532A1 (en) 2024-01-25
CN114944516B (en) 2026-04-28
CN114944516A (en) 2022-08-26
US20190195954A1 (en) 2019-06-27
CN110062979A (en) 2019-07-26
US12044738B2 (en) 2024-07-23
US10274543B2 (en) 2019-04-30
US20230020002A1 (en) 2023-01-19
US11467216B2 (en) 2022-10-11
US11768246B2 (en) 2023-09-26
US12298350B2 (en) 2025-05-13
WO2018128626A1 (en) 2018-07-12
US20250334638A1 (en) 2025-10-30
NZ753964A (en) 2020-12-18

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PSEA Patent sealed
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Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 09 JAN 2026 BY ABHISHEK KUMAR - CPA-PTO PAYMENTS

Effective date: 20241128

RENW Renewal (renewal fees accepted)

Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 09 JAN 2027 BY ABHISHEK KUMAR - CPA-PTO PAYMENTS

Effective date: 20251127