Button Battery Electrode Layout for EMI Cancellation
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Solution Overview
Problem
Wearable electronic devices face reliability issues due to electromagnetic interference caused by differential electrode plates in button batteries, leading to reduced performance of other electronic components.
Innovation Solution
A battery design featuring a conductive connecting member outside the housing, with one end connected to a tab on the first electrode plate and another end forming an electrode connection point, partially covering a target region on the second electrode plate to cancel out electromagnetic waves generated by the differential part, thereby reducing interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If differential electrode plates are used in button battery, then battery capacity is improved, but electromagnetic interference on other electronic components increases
Solution Approach 1:
The patent utilizes the electromagnetic waves generated by the differential electrode plate to cancel out other electromagnetic waves through opposite current direction, converting the harmful electromagnetic interference into a beneficial cancellation effect that protects other electronic components
Solution Approach 2:
The conductive connecting member serves as an intermediary element that carries current in the opposite direction to the differential electrode plate, acting as a mediator to cancel electromagnetic waves and protect other electronic components from interference
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This design effectively minimizes electromagnetic interference on other electronic components, enhancing their reliability by ensuring opposite current directions in the conductive connecting member and the target region of the second electrode plate, thus improving the overall performance of wearable electronic devices.
Implementation Method 1
the electrode plate of the differential part emits electromagnetic waves due to the flow of current... the conductive connecting member has one end connected to the first tab and another end formed as an electrode connection point of the first electrode plate
Data Source
AI summary
A battery and an electronic device. The battery includes a battery housing, a conductive connecting member, and a first electrode plate and a second electrode plate that are wound inside the battery housing.