Battery Thermal Management Using External Power During Storage
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Solution Overview
Problem
Energy storage systems face reliability and efficiency issues due to exposure to extreme temperatures during storage and transport, as existing thermal management solutions either fail to control temperature effectively or deplete the stored energy when powered from the energy storage device.
Innovation Solution
An energy storage system with a thermal management system that can be selectively connected to an external power source during storage and transport, allowing temperature control without draining the energy storage device, by switching between power sources based on operational states.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If the thermal management system is powered from the energy storage device, then temperature control is achieved, but the stored energy is depleted
Solution Approach 1:
An external power source is introduced as an intermediary to power the thermal management system during storage and transport, eliminating the need to deplete the energy storage device's stored energy while maintaining temperature control capability
2Reliability
If the thermal management system operates during storage mode, then temperature control is maintained, but the energy storage device is drained
Solution Approach 1:
The system dynamically switches between two operational modes: during storage/transport mode, the thermal management system is powered from an external power source via the first terminal; during operational mode, it switches to being powered from the energy storage device, thereby preserving stored energy while maintaining temperature control reliability when needed
3Adaptability or versatility
If the energy storage system is designed for extreme climate storage, then adaptability is improved, but system complexity increases
Solution Approach 1:
The thermal management system is designed with multi-functionality to serve dual purposes: it can operate in storage/transport mode powered by external sources for climate adaptability, and in operational mode powered by the energy storage device, thereby achieving universal applicability across different scenarios without requiring entirely separate systems
Data Source
AI summary
Systems and methods for managing the temperature of an energy storage system are provided. In some embodiments, the energy storage system includes a housing, a first terminal, a second terminal, an energy storage element disposed within the housing, a thermal management system, and a controller. In some embodiments, the energy storage element are configured to electrically connect to a load or a grid via the second terminal. The thermal management system is configured to manage a temperature within the housing and also configured to receive power from an external power source via the first terminal.