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© 2014 Energy and Environment | Sharp Laboratories of Europe
Dr. Emma Kendrick
Sharp Laboratories Europe
The use of carbon in next generation
battery technologies
HVM Graphene+ 2014 Conference
Oxford, UK 15 May
www.hvm-uk.com
© 2014 Energy and Environment | Sharp Laboratories of Europe
Sharp Laboratories of Europe
Established: February 1990,
 The first overseas R&D base of Sharp Corporation
Location: Oxford Science Park, U.K.
~80 staff members, mainly scientists and engineers from ~16
countries
Patents Filed >600
Work at SLE has two aims:
To carry out research where SLE has special expertise
To help Sharp businesses develop products for Europe
Slide 2© 2014 Energy and Environment | Sharp Laboratories of Europe
© 2014 Energy and Environment | Sharp Laboratories of EuropeHealth and Energy Technology Group | Sharp Laboratories of Europe© 2014 Energy and Environment | Sharp Laboratories of Europe
SLE’s Main R&D Themes
Energy &
Environment
Displays & Embedded SystemsHealth &
Medical
System Devices & Modules
Leveraging Sharp TFT
technology for new
markets:
• Point of care Lab on a
chip
• Blood cell counter
• Protein chip
• Ultrasound imaging
Addressing the need
for energy solutions,
beyond solar panels,
for both local fit &
global markets:
• PV-T heating & hot
water
• Low cost Energy
Storage
• Materials, water
Purifier
Expertise in
optics and
embedded
systems.
Continuing to
support
• Mobile and
large area
display. Recent
work in
• Robotics,
• Body scanner
• 3D printing.
EDC
Now part of
SDE
Technical
support for
device sales in
Europe.
Supporting
Elecom device
business in
• LED
• UV
technology
• GaN power
device
© 2014 Energy and Environment | Sharp Laboratories of Europe
Contents
Energy Storage Markets
Lithium ion battery manufacture
Use of Carbon in Batteries
Conductive Additive
Active Materials
SHARP Labs of Europe R&D
Slide 4© 2014 Energy and Environment | Sharp Laboratories of Europe
© 2014 Energy and Environment | Sharp Laboratories of Europe
※ The figures for the scale of the automotive market were estimated in 2011 from the company production plan and from 2012 estimated by Nomura Research Institute.
(March 2010)
※ PC, mobile market scale figures estimated from Nomura report (Dec. 2010)
※ Provisional calculation of storage cell requirements for PV installations as storage cells: 3kWh to PV 1kW.
Global Energy Storage Market Size
Slide 5
£15B
£41.7B
© 2014 Energy and Environment | Sharp Laboratories of Europe
Solar Domestic Electricity Generation
Slide 6
0
200
400
600
800
1000
1200
1400
1600
1800
2000
00:00 02:00 04:00 06:00 08:00 10:00 12:00 14:00 16:00 18:00 20:00 22:00
Power(W)
Time of Day
Power Requirement
Generation (W)
© 2014 Energy and Environment | Sharp Laboratories of Europe
© 2014 Energy and Environment | Sharp Laboratories of Europe
Lifetime cost analysis
Slide 7
PbA - £150/KWh
Li-ion Assumptions:
Current Cell Prices, Mass Manufacture of Batteries
© 2014 Energy and Environment | Sharp Laboratories of Europe
© 2014 Energy and Environment | Sharp Laboratories of Europe
Li-ion Batteries
Slide 8
© 2014 Energy and Environment | Sharp Laboratories of Europe Slide 9
Li-ion Cell - Discharging
Electrolyte
Copper
Current
Collector
Aluminium
Current
Collector
e-
Li+
Li+
Li+
Li+
Li+
e-
e-
e-
2Li0.5CoO2 + Li+ + e-  2 LiCoO2C6Li  C6 + Li+ + e-
Cathode
LiCoO2
Anode
Graphite (C6)
e-
© 2014 Energy and Environment | Sharp Laboratories of Europe Slide 10
Li-ion Cell Construction
 Cathode:
– Aluminium current collector
– Double-sided composite:
LiCoO2/carbon/PVDF
 Anode
– Copper current collector
– Double-sided composite:
Graphite/carbon/PVDF
 Separator (porous PE)
 Electrolyte
– Salt (LiPF6) + solvent
Separator
Aluminium Tag
(cathode)
Nickel Tag
(anode)
Laminated Pouch
© 2014 Energy and Environment | Sharp Laboratories of Europe
Electrode Manufacture
Slide 11
Composite Mix Coating Drying
Active Material
Binder Solution
Conductive Additive
Pump / Hopper
© 2014 Energy and Environment | Sharp Laboratories of Europe
© 2014 Energy and Environment | Sharp Laboratories of Europe
USE OF CARBON IN
BATTERIES
Slide 12
© 2014 Energy and Environment | Sharp Laboratories of Europe© 2014 Energy and Environment | Sharp Laboratories of Europe
Summary of Electrode Properties
3-D electronic conductivity
3-D ionic conductivity
Porosity
Gravimetric and Volumetric Energy Densities
Adhesion to Current Collector
Slide 13
Considerations during Formulation Optimisation
© 2014 Energy and Environment | Sharp Laboratories of Europe
Composite Cathodes
Slide 14
Timcal SuperP
http://www.azonano.com/article.aspx?Articl
eID=2315
Carbon Black
Carbon Fibres
Composite Cathode
Active Cathode Material
© 2014 Energy and Environment | Sharp Laboratories of Europe
© 2014 Energy and Environment | Sharp Laboratories of Europe
Effect of Formulation
Composition ratio 1 2 3 4 5
NCA [wt. %] 84 84 84 84 84
Super P [wt. %] 0 2 4 6 8
SFG6 [wt. %] 8 6 4 2 0
PVdF [wt. %] 8 8 8 8 8
Slide 15
Table 3. Composite slurries with different content of conductive agents.
 Improve Electronic conductivity of electrode
 Increase porosity
 Optimise Performance
 Capacity and Rate
 Improve Life time
Influence of Electrode Preparation on the Electrochemical Performance of
LiNi0.8Co0.15Al0.05O2 Composite Electrodes for Lithium-Ion Batteries l
Journal of Power Sources, In Press, Available online 21 March 2012, H.Tran, G.
Greco, C. Täubert, M. Wohlfahrt-Mehrens, W. Haselrieder, A. Kwade
© 2014 Energy and Environment | Sharp Laboratories of Europe
© 2014 Energy and Environment | Sharp Laboratories of Europe
Electrode Optimisation
Slide 16
1st Cycle Loss
2C rate (Energy)
AB
A - Carbon
B - PVDF
© 2014 Energy and Environment | Sharp Laboratories of Europe
© 2014 Energy and Environment | Sharp Laboratories of Europe
Lithium Iron Phosphate LiFePO4
Electronic conductivity lower
than those of mixed metal
oxides
Modification
Reduction in particle size
Pyrolytic carbon deposit
Improved performance
Cost
17
http://www.phostechlithium.com/prf_lifepower_e.php
Space group Pnma
a=10.329 Å, b=6.007 Å, c=4.692 Å
Yamada, A.;Yashima, M. (2009) Nippon Kessho
Gakkai-Shi 51, 175-181
PO4
F
e
Li
© 2014 Energy and Environment | Sharp Laboratories of Europe
© 2014 Energy and Environment | Sharp Laboratories of Europe
Hard Carbon Anodes
Higher Capacities
Synthesis Routes
Structure Optimisation
Slide 18
Voltage profiles of hard carbon prepared by pyrolysis of sucrose in argon gas. Heat treatment
temperatures are indicated
Fig. 1. Plot of reversible capacity for lithium vs heat treatment temperature for a
variety of carbon samples (open symbols, hardcarbons; solid symbols, soft
carbons). These data are for the second charge–discharge cycle of lithium–carbon
test cells. The three regions of commercial relevance are shown. This graph has
been taken from the work of Dahn et al.
© 2014 Energy and Environment | Sharp Laboratories of Europe
© 2014 Energy and Environment | Sharp Laboratories of Europe
SHARP LABS R&D EXAMPLES
Slide 19
© 2014 Energy and Environment | Sharp Laboratories of Europe© 2014 Energy and Environment | Sharp Laboratories of Europe
Innovative Nanoporous Carbon Materials for
Energy Storage Applications
Large Scale production of
Carbon materials
Renewable Low cost
Precursors
Controllable properties for
Electrochemical energy
applications
Slide 20
MAST Carbon will use their controlled
carbonisation technology to convert the
cellulose-based precursors to carbon
materials for JM, Sharp and Axeon to
evaluate.
© 2014 Energy and Environment | Sharp Laboratories of Europe© 2014 Energy and Environment | Sharp Laboratories of Europe
Carbon in Electrochemical Energy Storage
Carbon Anode – Commercial Material
Slide 21
© 2014 Energy and Environment | Sharp Laboratories of Europe© 2014 Energy and Environment | Sharp Laboratories of Europe
Commercial material base line
Cathode Full Cell
Slide 22
© 2014 Energy and Environment | Sharp Laboratories of Europe
LiCoO2 vs Graphite
(battery chemistry)
Replacement of Largest Cost
Components of LIB with NIB
alternatives
• Cathode (LiCoO2)
• Anode (graphite)
• Electrolyte
Co=$70/Kg-2008
Takeshita Tutorial 2009 – Market Update on NiMH, Li Ion & Polymer Batteries
Sodium Cost < Lithium Cost
Lower Cost, Higher Energy Density, Drop-in Technology to existing LIB
manufacturing lines
Material cost analysis : 18650
(Standard cylindrical cell)
LIB Replacement - Cost
© 2014 Energy and Environment | Sharp Laboratories of Europe
© 2014 Energy and Environment | Sharp Laboratories of Europe© 2014 Energy and Environment | Sharp Laboratories of Europe
DECC : Low Cost Residential ES
Slide 24
https://www.gov.uk/government/news/5-million-boost-for-energy-storage-
innovation?utm_source=rss&utm_medium=rss&utm_campaign=press-release-5-
million-boost-for-energy-storage-innovation
Sodium ion Battery Development
NIB Full Cell Data
New Materials for Anode and
Cathode
Na2Fe(SO4)2
© 2014 Energy and Environment | Sharp Laboratories of EuropeHealth and Energy Technology Group | Sharp Laboratories of Europe© 2014 Energy and Environment | Sharp Laboratories of Europe
Electrode and Cell Optimisation
Slide 25
Signature Curve Cycling
- Cathode Electrode Optimisation
- Anode Electrode Optimisation
- Cell Construction
- Electrolyte type and Quantity
- Cell Balancing
High Performance Full Cell LIB
© 2014 Energy and Environment | Sharp Laboratories of Europe
Conclusions
Energy Storage Markets
Lithium ion battery manufacture
Use of Carbon in Batteries
Conductive Additive
Active Materials
SHARP Labs of Europe R&D
Many types of carbon which offer different Benefits and Roles
Slide 26© 2014 Energy and Environment | Sharp Laboratories of Europe

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Hvmg14okendrick1

  • 1. © 2014 Energy and Environment | Sharp Laboratories of Europe Dr. Emma Kendrick Sharp Laboratories Europe The use of carbon in next generation battery technologies HVM Graphene+ 2014 Conference Oxford, UK 15 May www.hvm-uk.com
  • 2. © 2014 Energy and Environment | Sharp Laboratories of Europe Sharp Laboratories of Europe Established: February 1990,  The first overseas R&D base of Sharp Corporation Location: Oxford Science Park, U.K. ~80 staff members, mainly scientists and engineers from ~16 countries Patents Filed >600 Work at SLE has two aims: To carry out research where SLE has special expertise To help Sharp businesses develop products for Europe Slide 2© 2014 Energy and Environment | Sharp Laboratories of Europe
  • 3. © 2014 Energy and Environment | Sharp Laboratories of EuropeHealth and Energy Technology Group | Sharp Laboratories of Europe© 2014 Energy and Environment | Sharp Laboratories of Europe SLE’s Main R&D Themes Energy & Environment Displays & Embedded SystemsHealth & Medical System Devices & Modules Leveraging Sharp TFT technology for new markets: • Point of care Lab on a chip • Blood cell counter • Protein chip • Ultrasound imaging Addressing the need for energy solutions, beyond solar panels, for both local fit & global markets: • PV-T heating & hot water • Low cost Energy Storage • Materials, water Purifier Expertise in optics and embedded systems. Continuing to support • Mobile and large area display. Recent work in • Robotics, • Body scanner • 3D printing. EDC Now part of SDE Technical support for device sales in Europe. Supporting Elecom device business in • LED • UV technology • GaN power device
  • 4. © 2014 Energy and Environment | Sharp Laboratories of Europe Contents Energy Storage Markets Lithium ion battery manufacture Use of Carbon in Batteries Conductive Additive Active Materials SHARP Labs of Europe R&D Slide 4© 2014 Energy and Environment | Sharp Laboratories of Europe
  • 5. © 2014 Energy and Environment | Sharp Laboratories of Europe ※ The figures for the scale of the automotive market were estimated in 2011 from the company production plan and from 2012 estimated by Nomura Research Institute. (March 2010) ※ PC, mobile market scale figures estimated from Nomura report (Dec. 2010) ※ Provisional calculation of storage cell requirements for PV installations as storage cells: 3kWh to PV 1kW. Global Energy Storage Market Size Slide 5 £15B £41.7B
  • 6. © 2014 Energy and Environment | Sharp Laboratories of Europe Solar Domestic Electricity Generation Slide 6 0 200 400 600 800 1000 1200 1400 1600 1800 2000 00:00 02:00 04:00 06:00 08:00 10:00 12:00 14:00 16:00 18:00 20:00 22:00 Power(W) Time of Day Power Requirement Generation (W) © 2014 Energy and Environment | Sharp Laboratories of Europe
  • 7. © 2014 Energy and Environment | Sharp Laboratories of Europe Lifetime cost analysis Slide 7 PbA - £150/KWh Li-ion Assumptions: Current Cell Prices, Mass Manufacture of Batteries © 2014 Energy and Environment | Sharp Laboratories of Europe
  • 8. © 2014 Energy and Environment | Sharp Laboratories of Europe Li-ion Batteries Slide 8
  • 9. © 2014 Energy and Environment | Sharp Laboratories of Europe Slide 9 Li-ion Cell - Discharging Electrolyte Copper Current Collector Aluminium Current Collector e- Li+ Li+ Li+ Li+ Li+ e- e- e- 2Li0.5CoO2 + Li+ + e-  2 LiCoO2C6Li  C6 + Li+ + e- Cathode LiCoO2 Anode Graphite (C6) e-
  • 10. © 2014 Energy and Environment | Sharp Laboratories of Europe Slide 10 Li-ion Cell Construction  Cathode: – Aluminium current collector – Double-sided composite: LiCoO2/carbon/PVDF  Anode – Copper current collector – Double-sided composite: Graphite/carbon/PVDF  Separator (porous PE)  Electrolyte – Salt (LiPF6) + solvent Separator Aluminium Tag (cathode) Nickel Tag (anode) Laminated Pouch
  • 11. © 2014 Energy and Environment | Sharp Laboratories of Europe Electrode Manufacture Slide 11 Composite Mix Coating Drying Active Material Binder Solution Conductive Additive Pump / Hopper © 2014 Energy and Environment | Sharp Laboratories of Europe
  • 12. © 2014 Energy and Environment | Sharp Laboratories of Europe USE OF CARBON IN BATTERIES Slide 12
  • 13. © 2014 Energy and Environment | Sharp Laboratories of Europe© 2014 Energy and Environment | Sharp Laboratories of Europe Summary of Electrode Properties 3-D electronic conductivity 3-D ionic conductivity Porosity Gravimetric and Volumetric Energy Densities Adhesion to Current Collector Slide 13 Considerations during Formulation Optimisation
  • 14. © 2014 Energy and Environment | Sharp Laboratories of Europe Composite Cathodes Slide 14 Timcal SuperP http://www.azonano.com/article.aspx?Articl eID=2315 Carbon Black Carbon Fibres Composite Cathode Active Cathode Material © 2014 Energy and Environment | Sharp Laboratories of Europe
  • 15. © 2014 Energy and Environment | Sharp Laboratories of Europe Effect of Formulation Composition ratio 1 2 3 4 5 NCA [wt. %] 84 84 84 84 84 Super P [wt. %] 0 2 4 6 8 SFG6 [wt. %] 8 6 4 2 0 PVdF [wt. %] 8 8 8 8 8 Slide 15 Table 3. Composite slurries with different content of conductive agents.  Improve Electronic conductivity of electrode  Increase porosity  Optimise Performance  Capacity and Rate  Improve Life time Influence of Electrode Preparation on the Electrochemical Performance of LiNi0.8Co0.15Al0.05O2 Composite Electrodes for Lithium-Ion Batteries l Journal of Power Sources, In Press, Available online 21 March 2012, H.Tran, G. Greco, C. Täubert, M. Wohlfahrt-Mehrens, W. Haselrieder, A. Kwade © 2014 Energy and Environment | Sharp Laboratories of Europe
  • 16. © 2014 Energy and Environment | Sharp Laboratories of Europe Electrode Optimisation Slide 16 1st Cycle Loss 2C rate (Energy) AB A - Carbon B - PVDF © 2014 Energy and Environment | Sharp Laboratories of Europe
  • 17. © 2014 Energy and Environment | Sharp Laboratories of Europe Lithium Iron Phosphate LiFePO4 Electronic conductivity lower than those of mixed metal oxides Modification Reduction in particle size Pyrolytic carbon deposit Improved performance Cost 17 http://www.phostechlithium.com/prf_lifepower_e.php Space group Pnma a=10.329 Å, b=6.007 Å, c=4.692 Å Yamada, A.;Yashima, M. (2009) Nippon Kessho Gakkai-Shi 51, 175-181 PO4 F e Li © 2014 Energy and Environment | Sharp Laboratories of Europe
  • 18. © 2014 Energy and Environment | Sharp Laboratories of Europe Hard Carbon Anodes Higher Capacities Synthesis Routes Structure Optimisation Slide 18 Voltage profiles of hard carbon prepared by pyrolysis of sucrose in argon gas. Heat treatment temperatures are indicated Fig. 1. Plot of reversible capacity for lithium vs heat treatment temperature for a variety of carbon samples (open symbols, hardcarbons; solid symbols, soft carbons). These data are for the second charge–discharge cycle of lithium–carbon test cells. The three regions of commercial relevance are shown. This graph has been taken from the work of Dahn et al. © 2014 Energy and Environment | Sharp Laboratories of Europe
  • 19. © 2014 Energy and Environment | Sharp Laboratories of Europe SHARP LABS R&D EXAMPLES Slide 19
  • 20. © 2014 Energy and Environment | Sharp Laboratories of Europe© 2014 Energy and Environment | Sharp Laboratories of Europe Innovative Nanoporous Carbon Materials for Energy Storage Applications Large Scale production of Carbon materials Renewable Low cost Precursors Controllable properties for Electrochemical energy applications Slide 20 MAST Carbon will use their controlled carbonisation technology to convert the cellulose-based precursors to carbon materials for JM, Sharp and Axeon to evaluate.
  • 21. © 2014 Energy and Environment | Sharp Laboratories of Europe© 2014 Energy and Environment | Sharp Laboratories of Europe Carbon in Electrochemical Energy Storage Carbon Anode – Commercial Material Slide 21
  • 22. © 2014 Energy and Environment | Sharp Laboratories of Europe© 2014 Energy and Environment | Sharp Laboratories of Europe Commercial material base line Cathode Full Cell Slide 22
  • 23. © 2014 Energy and Environment | Sharp Laboratories of Europe LiCoO2 vs Graphite (battery chemistry) Replacement of Largest Cost Components of LIB with NIB alternatives • Cathode (LiCoO2) • Anode (graphite) • Electrolyte Co=$70/Kg-2008 Takeshita Tutorial 2009 – Market Update on NiMH, Li Ion & Polymer Batteries Sodium Cost < Lithium Cost Lower Cost, Higher Energy Density, Drop-in Technology to existing LIB manufacturing lines Material cost analysis : 18650 (Standard cylindrical cell) LIB Replacement - Cost © 2014 Energy and Environment | Sharp Laboratories of Europe
  • 24. © 2014 Energy and Environment | Sharp Laboratories of Europe© 2014 Energy and Environment | Sharp Laboratories of Europe DECC : Low Cost Residential ES Slide 24 https://www.gov.uk/government/news/5-million-boost-for-energy-storage- innovation?utm_source=rss&utm_medium=rss&utm_campaign=press-release-5- million-boost-for-energy-storage-innovation Sodium ion Battery Development NIB Full Cell Data New Materials for Anode and Cathode Na2Fe(SO4)2
  • 25. © 2014 Energy and Environment | Sharp Laboratories of EuropeHealth and Energy Technology Group | Sharp Laboratories of Europe© 2014 Energy and Environment | Sharp Laboratories of Europe Electrode and Cell Optimisation Slide 25 Signature Curve Cycling - Cathode Electrode Optimisation - Anode Electrode Optimisation - Cell Construction - Electrolyte type and Quantity - Cell Balancing High Performance Full Cell LIB
  • 26. © 2014 Energy and Environment | Sharp Laboratories of Europe Conclusions Energy Storage Markets Lithium ion battery manufacture Use of Carbon in Batteries Conductive Additive Active Materials SHARP Labs of Europe R&D Many types of carbon which offer different Benefits and Roles Slide 26© 2014 Energy and Environment | Sharp Laboratories of Europe