Abstract
The charging of lithium-ion batteries (LIBs) is remarkably slowed down at sub-zero environment due to the declined activity of electrochemical processes. This has been a major barrier of the further popularity of electric vehicles especially at cold regions. Motivated by this, this paper proposes a heating-cooperative charging strategy for lithium-ion batteries at low-temperature scenarios. An experimental-validated electro-thermal model is built to explain the coupling mechanism of heating and charging at low-temperatures conditions. On this premise, a multi-objective optimization problem is formulated regarding charging rapidity and energy loss. The dynamic programming (DP)-based solution virtually gives rise to a heating-cooperative charging strategy. Results show that the proposed strategy can adaptively regulate the heating/charging switching mode and the associated current magnitude to ensure the high-efficiency fast charging.
| Original language | English |
|---|---|
| Title of host publication | 2023 IEEE Transportation Electrification Conference and Expo, ITEC 2023 |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| ISBN (Electronic) | 9798350397420 |
| DOIs | |
| Publication status | Published - 2023 |
| Event | 2023 IEEE Transportation Electrification Conference and Expo, ITEC 2023 - Detroit, United States Duration: 21 Jun 2023 → 23 Jun 2023 |
Publication series
| Name | 2023 IEEE Transportation Electrification Conference and Expo, ITEC 2023 |
|---|
Conference
| Conference | 2023 IEEE Transportation Electrification Conference and Expo, ITEC 2023 |
|---|---|
| Country/Territory | United States |
| City | Detroit |
| Period | 21/06/23 → 23/06/23 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- electro-thermal model
- heating-cooperative charging
- lithium-ion battery
- low temperature
- multi-objective optimization
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