# US 2021/0242543 A1 · Battery pack with attached system module

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- Number: US 2021/0242543 A1
- Document ID: US20210242543A1
- Status: Published application
- Kind: A1
- Application number: 17/220,854
- Filed: 2021-04-01
- Published: 2021-08-05
- Earliest claimed: 2019-09-25
- Assignees: Apple Inc.
- Applicants: Apple Inc.
- Inventors: Haran Balaram; Nathan J. Bohney; Pengchuan Wang; Jicheng Yang; Wyeman Chen; Scott Lawson Gooch; Kevin Robert Linke; Alvin Thomas Chang
- Web page: https://patentgrep.com/patent/US20210242543A1

## CPC

- H01M 10/425: {Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing (printed circuits H05K1/00)}
- H01M 50/519: comprising printed circuit boards [PCB]
- H01M 50/287: Fixing of circuit boards to lids or covers
- H01M 50/533: characterised by the shape of the leads or tabs
- H01M 50/534: characterised by the material of the leads or tabs
- H01M 50/55: on the same side of the cell
- H01M 50/552: characterised by their shape
- H01M 50/569: Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals (battery terminal connectors with integrated measuring arrangements G01R31/364)
- H01M 50/211: adapted for pouch cells
- Y02E 60/10: Energy storage using batteries
- Y02P 70/50: Manufacturing or production processes characterised by the final manufactured product
- H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS

## Abstract

Battery systems according to embodiments of the present technology may include a battery. The battery may include a first electrode terminal and a second electrode terminal accessible along a first surface of the battery. The systems may include a module electrically coupled with the battery. The module may include a circuit board characterized by a first surface and a second surface opposite the first surface. The module may include a mold extending from the first surface of the circuit board toward the battery. The module may include a first conductive tab electrically coupling the module with the first electrode terminal. The module may include a second conductive tab electrically coupling the module with the second electrode terminal. The second conductive tab may extend across the mold substantially parallel to the first surface of the circuit board.

## Claims

### Claim 1

A battery system comprising:
a battery, wherein the battery includes a first electrode terminal accessible along a first surface of the battery and a second electrode terminal; and
a module electrically coupled with the battery, the module comprising:
a circuit board characterized by a first surface and a second surface opposite the first surface;
a mold extending from the first surface of the circuit board toward the battery,
a flexible coupling seated against the second surface of the circuit board,
a first conductive tab electrically coupling the module with the first electrode terminal, and
a second conductive tab electrically coupling the module with the second electrode terminal, wherein the second conductive tab extends across the mold substantially parallel to the first surface of the circuit board.

### Claim 2 (depends on 1)

The battery system of claim 1, wherein the flexible coupling is seated against the circuit board along a first surface of the flexible coupling, and wherein the flexible coupling comprises one or more electrical feedthroughs extending through the flexible coupling.

### Claim 3 (depends on 2)

The battery system of claim 2, wherein the second conductive tab extends across a second surface of the flexible coupling opposite the first surface of the flexible coupling.

### Claim 4 (depends on 3)

The battery system of claim 3, wherein the second conductive tab is adhered to the flexible coupling along second surface of the flexible coupling.

### Claim 5 (depends on 1)

The battery system of claim 1, wherein the second electrode terminal is accessible along a second surface of the battery.

### Claim 6 (depends on 5)

The battery system of claim 5, wherein the second conductive tab extends orthogonally to the first surface of the battery towards the second electrode terminal.

### Claim 7 (depends on 1)

The battery system of claim 1, wherein the first electrode terminal extends proud of the first surface of the battery towards the first surface of the circuit board, and wherein the first conductive tab extends past a plane of the second surface of the circuit board to couple with the first electrode terminal.

### Claim 8

A battery system comprising:
a battery, wherein the battery includes a first electrode terminal and a second electrode terminal accessible along a first surface of the battery; and
a module electrically coupled with the battery, the module comprising:
a circuit board characterized by a first surface and a second surface opposite the first surface;
a mold extending from the first surface of the circuit board toward the battery,
a first conductive tab electrically coupling the module with the first electrode terminal, and
a second conductive tab electrically coupling the module with the second electrode terminal, wherein the second conductive tab extends across the mold substantially parallel to the first surface of the circuit board.

### Claim 9 (depends on 8)

The battery system of claim 8, wherein the battery further comprises a port positioned proximate a lateral edge of the first surface of the battery, wherein the second conductive tab extends between the mold and the port.

### Claim 10 (depends on 9)

The battery system of claim 9, further comprising a first adhesive positioned between the second conductive tab and the mold proximate the port.

### Claim 11 (depends on 8)

The battery system of claim 8, wherein the first conductive tab extends beyond a first lateral edge of the module, wherein the second conductive tab extends beyond a second lateral edge of the module opposite the first lateral edge of the module, and wherein the first conductive tab and the second conductive tab extend from the second surface of the module.

### Claim 12 (depends on 11)

The battery system of claim 11, wherein the second conductive tab extends about the second lateral edge of the module and wraps across the mold towards the second electrode terminal.

### Claim 13 (depends on 11)

The battery system of claim 11, wherein the first electrode terminal extends proud of the first surface of the battery towards the first surface of the circuit board, and wherein the first conductive tab extends past a plane of the second surface of the circuit board to couple with the first electrode terminal.

### Claim 14 (depends on 8)

The battery system of claim 8, wherein the circuit board extends substantially parallel to the first surface of the battery to a location proximate the first electrode terminal.

### Claim 15 (depends on 8)

The battery system of claim 8, further comprising an adhesive extending across the module, and wherein a first end of the adhesive and a second end of the adhesive are coupled with the battery.

### Claim 16 (depends on 15)

The battery system of claim 15, wherein the adhesive comprises an insulation along a portion of the adhesive, and wherein the insulation extends from a first end of the adhesive across the first electrode terminal.

### Claim 17 (depends on 8)

The battery system of claim 8, further comprising a flexible coupling extending from the module and comprising a board-to-board connector at a distal end of the flexible coupling.

### Claim 18

A battery system comprising:
a battery characterized by a first surface, a second surface, and a third surface, wherein the second surface and the third surface are substantially parallel to one another, wherein the first surface of the battery extends between the second surface and the third surface, and wherein the first surface comprises a first electrode terminal and a second electrode terminal;
a module coupled with the first surface of the battery and comprising a circuit board characterized by a first surface and a second surface opposite the first surface, wherein the module comprises:
a mold extending from the first surface of the circuit board toward the battery,
a first conductive tab extending from the second surface of the circuit board to the first electrode terminal, and
a second conductive tab extending from the second surface of the circuit board to the second electrode terminal; and
a flexible coupling extending from the second surface of the circuit board.

### Claim 19 (depends on 18)

The battery system of claim 18, wherein the mold extends laterally parallel with the first surface of the battery, wherein the first electrode terminal of the battery extends from the first surface of the battery, and wherein the mold is maintained between the first electrode terminal of the battery and a lateral edge of the battery.

### Claim 20 (depends on 18)

The battery system of claim 18, wherein the second conductive tab extends about a lateral edge of the module and wraps across the mold towards the second electrode terminal.