Powering. the Future. Electronics Markets Materials Division 3M Battery Materials

Transcription

1 Electronics Markets Division 3M Battery Powering the Future Cost saving technologies for more powerful, smaller, safer and longer-lasting batteries

2 3M Battery Enabling technologies for reliable battery power Electric vehicles are fast becoming a reality around the world. Hybrid, plug-in hybrid, and full electric automobiles all require advanced batteries with unique characteristics. At the same time, today s mobile society has created a growing demand for handheld electronics including smart phones, GPS, media players and digital recording devices that are smaller and offer more power-hungry features. These trends have spurred the need for batteries that are more powerful, smaller, safer and longer-lasting attributes that are the hallmark of 3M Battery. 2

3 Energizing a new generation of high-performance lithium ion batteries 3M has collaborated extensively with universities, government research organizations and customers as a supplier of lithium ion battery materials for more than 15 years. Add to that experience a portfolio of more than 40 core technologies including nanotechnology, adhesive, manufacturers around the world depend on 3M for the advanced materials they need to build new and better batteries. 3M battery materials have proven their utility and reliability in both performance and process requirements, and are available globally in commercial-scale quantities. And 3M can help you integrate materials to optimize product performance and meet special application requirements. 3M s broad battery materials portfolio includes: Anode powders Cathode powders Electrolyte (salt and additives) Assembly solutions Visit our website at for detailed information on these products and more. A global partner, committed to your success 3M maintains battery research laboratories in the USA, Korea, Japan and China, and can provide technical and sales service in nearly every country in the world. These laboratories are equipped to test and develop materials in actual battery environments. In collaboration with leading university and government researchers around the world, 3M is helping to pioneer the next generation of innovative battery technologies. Because of these capabilities and our commitment to long-term development of next-generation energy technologies you can count on 3M to help you compete more effectively in today s fastchanging marketplace. 3

4 3M Battery Anode Powders 3M has pioneered the development of revolutionary silicon-based anode compositions. With twice the volumetric and gravimetric energy density of graphite anodes, 3M Battery Anode can increase cell capacity by 20% or more, depending on cathode energy density and cell design. 3M Battery Anode silicon (Si) compositions have shown excellent cycling and high rate characteristics suitable for a wide variety of consumer electronics applications. Thermal stability of anode Si compositions are comparable to conventional graphite systems. In addition, 3M water based coating formulations have been Capacity (mah/g) 3M Battery Anode Cycling Performance Commercially made Sn-based cell: 61% retention/500 cycles % CE Cycle Number L cell hand made in lab (not optimum) 68% retention/500 cycles 3M Battery Anode Thermal Stability 200 Commercial Graphite (0.8 m 2 g) Coulombic Efficiency 160 The Science of Dependability Cell Temperature ( C) M Battery Anode Si Composition (1 m 2 g) 160 C Hotblock Test NMC Cathode Time (Seconds) Cathode Powders 3M Battery Cathode technology utilizes unique layered mixed metal oxide formulations of nickel, manganese and cobalt (NMC). This 3M proprietary chemistry provides an outstanding balance of power, energy, and safety characteristics optimized for your application. Its lower cobalt content maximizes performance, while providing low and stable pricing. 3M NMC cathode technology enables battery designs with low cost ($/Wh) and high performance. NMC cathode materials can be tailored through changes in composition and morphology to meet the most demanding customer requirements. Applications of NMC cathode powders include high energy handheld consumer electronics to large format high power automotive and grid stabilization applications. 3M cathode materials are available for purchase from authorized 3M licensees. NMC Cathode Cost Optimized Cathode Raw Material Costs ($/kg) LCO 160 C Hot-Block Test Heat Flow (W/g) NCA NMC (111) Cathode Material Type NMC (111)/Graphite (1.6Ah) NMC (111)/3M Alloy Anode (2.6Ah) Commercial LiCo02/Graphite (2.6Ah) NMC (442) 10 m 2 m Time (s) 4

5 3M Battery Electrolyte Improves Cell Life Cell Capacity (mah) Aw1a Control w1a 2% 3M Additive w1a 4% 3M Additive Cycle # Cell capacity of with and without 3M Battery Electrolyte additive at 50 C (discharge rate 1 C) Chemical Cell Balancing Electrolyte Additives 3M s ability to synthesize new molecules and evaluate their impact in lithium ion batteries has led to electrolyte additives that are proven to enhance performance and reduce cost. 3M Fluorad Battery Electrolyte HQ-115 sulfonyl)imide, is used as both an additive in lithium ion batteries and as the primary salt in lithium polymer batteries. Used in many high capacity lithium ion cells, electrolyte HQ-115 in additive concentrations of less than 5% has improved capacity retention and cycle life at high temperatures. Electrolyte HQ-115 has also been shown to reduce swelling and gas generation, which can simplify safe battery cell design. Charging pack Full charge (one cell) Shuttle plus balancing -Weak cells catching up Shuttle Charging Time 3M Redox Shuttle BE-3.9V This revolutionary battery electrolyte additive provides a chemical means of battery cell balancing and overcharge protection. Designed to work with LFP cathode chemistry, the 3M Redox Shuttle can simplify the electronics pack. Higher voltage shuttle additives other than lithium ion battery chemistries are under development. All cells shuttling -Balance achieved Shuttle Shuttle Shuttle 3M Redox Shuttle additive can provide chemical cell balancing and overcharge protection Leveraging 3M s expertise in electrode surface chemistry, extensive research is underway to identify new additives that will extend battery calendar life, improve performance at low and high temperatures and operate safely at higher voltages. Higher Performance, Lower Costs 5

6 3M Battery Assembly Solutions 3M is a global leader in tapes, thermal materials, abrasives, adhesives and EMI management products. 3M s broad portfolio includes: Heat and corrosion resistant tapes used for edge sealing, tab protection, and current collector bonding Thermally conductive tapes, pads and adhesives that provide Electrically conductive tapes for secure grounding and bonding of electronic circuitry Flame-Retardant Insulating Papers for high temperature electrical insulation applications and isolation of battery components EMI shielding and absorbing material to control electromagnetic interference Structural adhesives for pack rigidization 3M EMC Products can provide EMI/RFI shielding and absorbing, static charge grounding, antistatic masking, cushioning, mechanical protection and conductive properties for a wide variety of applications. FasterAssembly Greater Reliability 3M Liquid Epoxy Adhesives Including 3M Scotch-Weld Adhesives, deliver the performance and cost 3M also offers a broad range of Electronic Grade Adhesives. 3M Light Cure Adhesive Create an adhesive bond instantaneously with 3M Light Cure Adhesive. This high viscosity adhesive usually cures in less than 10 seconds, forming many applications. 3M Thermally Conductive Interface Acrylic Pads provide high temperature adhesion with good dielectric strength. Applies quickly and easily using die-cut shapes. 3M High Temperature Tapes provide masking protection for a variety of applications and can withstand temperature ranges from -100 F (38 C) up to 500 F (260 C). 6

7 Thermal Management Fluids Precise thermal management of large format lithium ion batteries can help extend battery cycle life and improve performance and safety. 3M Novec Engineered Fluids are widely used in the electronics industry for direct contact cooling, due to their battery temperature through a unique two-phase, direct contact immersion cooling system. Novec Engineered Fluids are available in a wide range of boiling points and offer good material compatibility. 3M heat transfer experts are ready to work with battery Direct contact cooling with 3M Novec Engineered Fluids helped enable the development of dense electronics, such as supercomputers and power converters. Battery Cooling Heat-spreading layer, mechanical support, power supply routing surface or heat sink Battery Pack Base Thermal Interface Durability of interface: Durability of the thermal different environmental conditions. 3M products have shown excellent durability through vibration and accelerated aging tests. Thermal Management Advancement in battery technology and the shift from hybrid to plug-in hybrid to full electric vehicles have led to an increase in heat generation. High temperatures will reduce battery life, making improved thermal management essential for optimal performance. That s where we can help. 3M reliability and performance optimization. 3M Thermal Interface have a proven track record of durability and high thermal performance in a variety of environmental conditions to meet the demanding needs of applications today and in the future. 3M provides a full selection of products to meet customer process and performance requirements, including thermally conductive pads, adhesives, and greases. 3M Thermal Interface Product 3M ID # Description Features 3M Thermally Conductive Pads* 3M Thermally Conductive Tapes 3M Thermally Conductive Adhesives 5590H (higher thermal conductivity) Acrylic pads, 0.5mm and thicker 5589H (softer) TC 2810 TC Acrylic double-sided tapes, 0.5 mm and thinner Epoxy adhesives High Thermal Conductivity Excellent Gap Filling Die cut to size and shape High adhesion Die cut to size and shape Excellent wet-out Ultra-thin bond line Higher thermal conductivity than tape Higher shear, peel strength than tape * For applications using a thermal pad, the 3M Acrylic Thermal Pads are slightly tacky on one side for generally acceptable assembly adhesion in many applications. If higher adhesion is desired, 3M suggests the testing of the 3M Acrylic Adhesive Transfer Tape many applications. The end use design of the LED Structure/Thermal Pad/Heat Sink does require an added mechanical means of assembly to ensure long term mechanical integrity and thermal performance. 3M also offers a line of silicone based thermal pads ranging in thermal conductivity from 1.0 W/mK to 4.1 W/mK. Please contact 3M for additional product information and inquire about 3M Thermally Conductive Pads 5591s, 5592, 5595, 5516 and Cooler, more reliable devices 7

8 3M Battery Today s Answers Tomorrow s Breakthroughs 3M Battery are part of 3M s broad portfolio of technologies for electronics manufacturing, which includes specialty adhesives, tapes, separator membranes, gaskets, and deposition solvents, semiconductor materials and more. All are engineered to help improve productivity and throughput, while enhancing the reliability and performance of 3M manufactures over 50,000 products, derived from 40+ core technologies, ranging from microreplication and nanotechnology to precision coatings. These technologies can be combined in an almost unlimited number of ways, your need is to improve system reliability, speed assembly, reduce per-unit cost or improve performance, we invite you to put 3M science to work for you! Ad Adhesives Ab Abrasives Ac Acoustics As Application Software Bi Biotech Ce Ceramics Dd Drug Delivery Dm Display Do Dental & Orthodontic Ep Electronic Packaging Am Advanced Fc Flexible Converting & Packaging Fo Fiber Optics Fs Filtration, Separation, Im Imaging Ip Inks & Pigments Cp Chemical Power Source Fi Ir Immune Response Is Integrated Systems Design Lm Light Management Md Medical Data Management Me Metal Matrix Composites Nt Nanotech Fl Fluorinated Mi Microbial Detection & Control Mo Molding Pc Precision Coating Nm Nonwoven Pd Particle & Dispersion Pp Precision Pe Predictive Engineering & Modeling Pm Polymer Melt Po Porous & Membranes Pr Process Design & Control Track & Trace Mr Rf Reclosable Fasteners Rp Radiation Su Surface Wo Wound Management Vp Vacuum Sm Specialty Films Microreplication For more information, visit us at Technical Information and Data: Technical information and data, recommendations, and other statements provided by 3M are based on information, tests, or experience which 3M believes to be reliable, but the accuracy or completeness of such information is not guaranteed. Such technical information and data are intended for persons Important Notice: This 3M material is a developmental material that has not been introduced or commercialized for general sale, and its formulation, performance whether a 3M material is suitable and appropriate for a particular use and intended application. Disclaimer of Warranty: USAGE OF TRADE. Limitation of Liability: Except where prohibited by law, 3M SHALL NOT UNDER ANY CIRCUMSTANCES BE LIABLE TO BUYER FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, DOWNTIME, LOSS OF PROFITS, REVENUE, BUSINESS, OPPORTUNITY, OR GOODWILL) RESULTING FROM OR IN ANY WAY RELATED TO THIS 3M DEVELOPMENTAL MATERIAL. This limitation of liability applies regardless of the legal or equitable theory under which such losses or damages are sought including breach of contract, breach of warranty, negligence, strict liability, or any other legal or equitable theory. 3M Deutschland GmbH Electronics Markets Division Carl-Schurz-Straße Neuss Deutschland Tel.: +49(0)2131/ Fax: +49(0)2131/ Internet: 3M, Fluorad, Novec and Scotch-Weld sind eingetragene Marken der 3M Company. 3M All rights reserved. Printed in Germany. Please recycle Index 0