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电动自行车起火问题如何破解?
Xiao Fei Ri Bao Wang· 2025-07-18 02:34
Core Insights - The article highlights the increasing safety concerns regarding electric bicycles powered by lithium batteries, particularly due to incidents of fire and explosion caused by battery failures [1][2][3] - A new initiative called the "Yizhuang Plan" is being explored in Beijing Economic-Technological Development Area to enhance the safety of electric bicycles through the use of solid-state batteries and a battery swapping model [4][8] Industry Overview - China has a significant electric bicycle market with a total of 450 million units in circulation and production reaching 42.28 million units in 2023 [2] - Lithium-ion batteries are predominantly used in electric bicycles, which pose a high risk of fire, with 91.7% of fire incidents attributed to thermal runaway of lithium batteries in 2024 [2][3] Technological Innovation - The "Yizhuang Plan" involves a pilot project for electric bicycles using solid-state batteries, which are considered safer than traditional lithium batteries [4][6] - The solid-state battery technology aims to address fire risks associated with lithium batteries by eliminating thermal runaway issues [7] - The first generation of solid-state batteries developed by Chunli New Energy utilizes a lithium iron phosphate system, achieving safety certifications through rigorous testing [7][8] Government and Corporate Collaboration - The Beijing Economic-Technological Development Area has provided comprehensive support for the solid-state battery project, including funding, resource coordination, and streamlined approval processes [8] - The initiative aims to create a green energy technology innovation hub, with a target revenue of 100 billion yuan for the new energy and materials industry by 2030 [8] Future Prospects - The battery swapping project integrates key elements such as vehicles, batteries, cabinets, and cloud services, primarily targeting urban delivery scenarios [9] - There are plans to expand the pilot project based on its success, potentially leading to broader adoption across Beijing and other major cities [10]