Shanghai Research Institute of Chemical Industry Lithium ion cells and batteries used in portable electronic equipments-safety requirement GB 31241-2014 Shanghai Research Institute of Chemical Industry

Shanghai Research Institute of Chemical Industry 1.What do portable electronic equipments include ? 2. Cell test items 3. Battery test items 4.Test items for protection circuit module (PCM) –safety requirements 5.Test items for PCM in host 6. Current Condition Shanghai Research Institute of Chemical Industry

Shanghai Research Institute of Chemical Industry 1.What do portable electronic equipments include ? Electronic equipments are not more than 18kg and often can be taken by user : Portable office products : laptop computer PDA etc. Mobile communication products : cell phone ,wireless telephone , blue-tooth earphone ,one-way phone etc. Shanghai Research Institute of Chemical Industry

Shanghai Research Institute of Chemical Industry 1.What do portable electronic equipments include ? Portable audio/video products : portable TV set , portable DVD player , MP3/MP4 player ,camera, video , voice recorder etc. Others: electronic navigator ,digital photo frame ,game machine, E- book etc. Shanghai Research Institute of Chemical Industry

Shanghai Research Institute of Chemical Industry 1.What do portable electronic equipments include ? Power bank is not included in GB31241, Relative standard are being made. There may be some additional requirements for lithium ion batteries used in special fields such as medical , miner ,work on the bottom of the ocean Shanghai Research Institute of Chemical Industry

Shanghai Research Institute of Chemical Industry 2. Cell test items Test condition Capacity test Cell condition General safety requirements Mark requirement Electrical safety test External short circuit at RT External short circuit at 55C Overcharge test Shanghai Research Institute of Chemical Industry

Shanghai Research Institute of Chemical Industry 2. Cell test items Forced discharge Environmental tests Altitude simulation Temperature cycle Vibration test Mechanical shock Free fall Crush Impact test Shanghai Research Institute of Chemical Industry

Shanghai Research Institute of Chemical Industry 2. Cell test items Abusive heating Projectile Shanghai Research Institute of Chemical Industry

Shanghai Research Institute of Chemical Industry 3. Battery test items Test condition Battery condition Label requirement Duration Environmental test Altitude simulation Temperature cycle Shanghai Research Institute of Chemical Industry

Shanghai Research Institute of Chemical Industry 3. Battery test items Vibration test Mechanical shock Free fall Mode stress relief High temperature test Washing test Enclosure fireproof requirement (V1) Shanghai Research Institute of Chemical Industry

Shanghai Research Institute of Chemical Industry 3.Battery test items Electrical safety tests Over-voltage charge Over-current charge Over-voltage discharge Over-current discharge External short circuit Reverse charge ESD test Shanghai Research Institute of Chemical Industry

Shanghai Research Institute of Chemical Industry 4.Test items for protection circuit module (PCM) –safety requirements Over-voltage charge protection Over-current charge protection Over-voltage discharge protection Over-current discharge protection External short circuit protection High –voltage test If PCM can pass these tests, It can be kept in the electrical safety test for battery . Or will be removed Shanghai Research Institute of Chemical Industry

5.Test items for PCM in host Charge voltage control Charge current control Discharge voltage control Discharge current control Temperature control during charge or discharge Shanghai Research Institute of Chemical Industry

Shanghai Research Institute of Chemical Industry 6.Current Condition This is compulsory standard to come into effect on August 1 ,2015 It is possible for China to put lithium ion cells and batteries into CCC catalogue based on this standard . The laboratory of Shanghai Research Institute of Chemical industry was the contracted laboratory of CQC (China quality center ) Shanghai Research Institute of Chemical Industry

Shanghai Research Institute of Chemical Industry 6. Current Condition CQC will issue the volunteer certification with SRICI’s test data and will issue CCC certification if lithium ion cells and batteries are put into CCC catalogue. You will get one UN38.3 free if you apply for UN38.3 and GB31241 at the same time . Shanghai Research Institute of Chemical Industry

Shanghai Research Institute of Chemical Industry Thanks ! Jianfeng Lu jianfenglumsds@163.com Shanghai Research Institute of Chemical Industry