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Battery Workshop Sample Slides

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Sample slides of the workshop "Design and Operation of Utility-Scale Battery Storage" by the company Cellution

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Battery Workshop Sample Slides

  1. 1. Design and Operation of Utility-Scale Battery Storage Workshop Date: Venue:
  2. 2. 1. Introduction 2. Applications of Stationary Electrical Energy Storage Systems 3. Technology Development, Cost and Market Growth 4. Life Cycle Phases 5. Performance Indicators 6. Lead Acid Batteries 7. Redox Flow Batteries 8. Li-Ion Batteries 9. Economical Assessment 10. Design Process Agenda 2Workshop: Design and Operation of Utility-Scale Battery Storage
  3. 3. Energy Shifting Bulk Energy Services 18Workshop: Design and Operation of Utility-Scale Battery Storage time [h] power[MW] 08:00 12:00 16:00 20:00 00:00 Example PV generation The battery stores the energy during the midday and discharges in the evening Another example is Arbitrage (Energy Trading) 04:00 Charge Discharge
  4. 4. Redox-Flow Batteries Electrochemical 37Workshop: Design and Operation of Utility-Scale Battery Storage Vanadium Redox Flow Battery Vanadium ions change ionic state during charge and discharge cycles. Electrolyte is being pumped (flowing) through the half cells. separator - + tank positive half cell tank negative half cell ion transfer load redox reaction at electrode surface P P electrolyte flowelectrolyte flow negativeelectrode positiveelectrode
  5. 5. Battery Electricity Storage System Installed Energy Cost Reduction Potential 2016-2030 Cost Development 41Workshop: Design and Operation of Utility-Scale Battery Storage Cost reduction of 73% between 2010 and 2016 [Source: IRENA]
  6. 6. Factory Acceptance Test (FAT) Manufacturing 51Workshop: Design and Operation of Utility-Scale Battery Storage Factory visit at battery manufacturer or system integrator/EPC Insights in the QM procedures and check if all were successfully applied on the batch to be delivered for the project
  7. 7. Steps for Battery Module Installation Installation 54Workshop: Design and Operation of Utility-Scale Battery Storage Delivery Control Unboxing Mounting of Battery Modules Mounting of Switchgears Cable Connection • Transport conditions • Damages • Quantity • DC Module/Module • Auxiliary Supply • Fan Power Supply • Communication
  8. 8. Data Logging for Warranty Purpose Data logging according to the supplier's requirements agreed in the performance warranty contract needs to be performed. Operation 60Workshop: Design and Operation of Utility-Scale Battery Storage Temperature SOC DOD C-rate Charge Energy Throughput C-rate Discharge
  9. 9. End of Life (EOL) Decommissioning and End of Life 64Workshop: Design and Operation of Utility-Scale Battery Storage time [a] StateofHealth–SOH 75% 80% 85% 90% 95% 100% 2 4 6 8 10 SOH = CapacityBOL CapacityYear x EOL
  10. 10. 66Workshop: Design and Operation of Utility-Scale Battery Storage Recycling Decommissioning and End of Life [Source: Duesenfeld] Material recycling rate of 55-75% possible today, efficiency is possible to increase up to 95% in the near future 66Workshop: Design and Operation of Utility-Scale Battery Storage
  11. 11. Max. Continuous Power and Peak Power Power 73Workshop: Design and Operation of Utility-Scale Battery Storage[Source: Samsung SDI] Max. Continuous Power Every battery system has a rated max. continuous power in e.g. MW The battery system can perform at this power for unlimited duration Peak Power Some battery systems can perform for limited duration at higher power than they are rated After peak performance a resting period has to be respected
  12. 12. Capacity Test Energy 82Workshop: Design and Operation of Utility-Scale Battery Storage Capacity Validation Test Procedure Charge Discharge Mode CP-CV Mode CP Power (AC) 100.00 MW Power (AC) 100.00 MW Start 0% SOC Start 100% SOC End 100% SOC End 0% SOC DC Design Capacity 540.617 MWh DC Usable Capacity 529.264 MWh AC Usable Capacity 502.801 MWh usable SOC 97.9% one-way AC Eff. 95.0%
  13. 13. Calendar Lifetime Reliability and Availability 91Workshop: Design and Operation of Utility-Scale Battery Storage Definition Describes the aging behavior of a battery cell independent of charge and discharge operations Mechanism (Example for Li-Ion Batteries) Li-ions are deposited in the graphite anode and are therefore no longer available for ion transfer between anode and cathode [Source: Journal of the Electrochemical Society, Calendar Aging of Lithium-Ion Batteries, I. Impact of the Graphite Anode on Capacity Fade]
  14. 14. Energy Density energy density: 140 – 210 Wh/kg power density: 82 – 410 W/kg Li-Ion Batteries 116 energy density [Wh/kg] powerdensity[W/kg] 50 100 150 200 250 300 350 400 50 100 150 200 250 300 Li-Ion (NCM)* Lead-Acid Vanadium Redox Flow Battery Li-Ion (LFP) *estimated according to current battery platforms of Samsung SDI for stationary applications Remark: NMC Li-Ion batteries represent 98.5% of the battery applications excluding China Workshop: Design and Operation of Utility-Scale Battery Storage
  15. 15. Example Self Consumption Optimization with Utility-Scale PV Levelized Cost of Storage (LCOS) 151Workshop: Design and Operation of Utility-Scale Battery Storage Lifetime (t) 10 years CAPEX 300 €/kWh OPEX 1 €/kWh per year Fuel *33 €/MWh Discount Factor (r) 2% RTE 100% (assumption) Charge/Discharge 10 MWh a day *[Source: Lazard] Li-Ion (LFP) Containerized BESS DC Design Capacity: 10 MWh Rated Power: 5 MW (DC) Operation: 1 full eq. cycle per day
  16. 16. Simplified Load Profile Analysis 159 time [h] power[MW] -30 -20 -10 10 20 30 00:00 04:00 08:00 12:00 16:00 Charge and discharge cycles of the battery over time A battery load profile analysis provides information about the required system size and the key factors for the capacity degradation. 20:00 0 Charge Discharge Workshop: Design and Operation of Utility-Scale Battery Storage
  17. 17. 166Workshop: Design and Operation of Utility-Scale Battery Storage Peak Shaving Sizing Exercise Technology: SAFT Intensium Mini Li-Ion Battery System (50kW/200kWh) Location: Spain Application: PV + Storage Reducing the peak power element of the utility bill by combining energy storage with PV integration. Reducing the electricity supply factor of the bill by self-consumption of energy drawn from the batteries at the most expensive time of the day.
  18. 18. Replenishment (Augmentation) 175Workshop: Design and Operation of Utility-Scale Battery Storage Purpose Lowering CAPEX by installing less capacity at BOL and adding capacity in year x to realize lifetime of e.g. 10 years Possibilities o Installation of empty racks for future augmentation o Addition of whole BESS (modular system) Factors o Development of battery price o Costs for transport and transport constraints o Costs for installation and commissioning
  19. 19. Contact In case of any questions please feel free to contact: Leon Gosh l.gosh@cellutionenergy.com +49 173 276 97 92

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