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AR226-2453 ^aboacatory Hame: CH2M_HIjjI._ X,ab Sannple ID: M6X44002 Client Sample to: WBM^-336 O&Q&HICS .

Verification of Non-PFAS Materials as Cathode Binder for Lithium-ion Battery Contents Executive summary.......................................................................................................................2 Introduction ...................................................................................................................................3 1 List of materials.......................................................................................................................4 2 Validation methods..................................................................................................................5 3 Coatability................................................................................................................................6 4 Electrolyte resistance and long-term reliability........................................................................9 5 Electric potential stability........................................................................................12 6 Conclusion............................................................................................................15 7 Experimental.........................................................................................................18 8 Innovative dry electrode manufacturing: Exploring PFAS material for binder properties and performance enhancement............................................................................................24 1 Executive summary This executive summary encapsulates the culmination of a rigorous analysis conducted to ascertain the most suitable binder material for cathodes in lithium-ion batteries (LiBs).

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Agenda Meeting of Polymeric Properties in Corrosive Environments Member Research Consortium, May 11th, 8:30-15:15 Location: Brinellgatan 4, Bors Sweden Dinner May 10th in Bors, at 6 pm, La Copita Allgatan 63, 503 37 Bors Coffee: 8:30-9:00 1.

Copies to: E.

Study Sponsor: Issue Date: Document Reference No.: ATOCHEM 30-May-84 510TAL AR226-2914 |]--------i------------i\ Dermal Irritation Author(s): A.

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Study Sponsor: Issue Date: Document Reference No.: ELFATOCHEM IO-Jul-95 95/SAE6/0548/HT AR226-3022 Ready Biodegradability Author(s): H.

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CONFIDENTIAL AR226-3110 DPT478/992105 This report is ecmsiderea^!

CorporatHeealthPhysics 3M Center2,20-2E-02 CorporatOeccupationMaeldicine PO Box 33220 CorporatPeroductResponsibility St.PaulM,N 55133-3220 CorporatTeoxicology 6517331110 3M MedicalDepartment DeterminatioofnSerumFluorochemicLaelvelisnSumitomo3M Employees Ninety-fouSrumitomo3M employeesparticipaitneadvoluntarcyr,oss-sectiosnearlum fluorochemicalassessment.Three groups of employees were examined.

BOD/COD resultstorFC-99 (DEA saltotPFOS) BIODEGRADATION TEST SUBSTANCE Identity:PerfluorooctanesulfonatDeE,A salt;may alsobe referredto as PFOS DEA salt,FC-99, or 3M Sample No. 2. (1-Octanesulfonic acid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafcloumoprdo.-, with2,2'-iminobis[ethan(o1l:]1)C.AS # 70225-14-8) Remarks: Testsample isa mixtureofthe testsubstanceinwater (approximately25% testsubstance and 75% water).Allvaluesreported relatetothismixture.No calculationwsere made to adjustforthe actual concentrationofthe testsubstance inthetestsample.