Practical implementation of silicon-based negative electrodes in lithium-ion full-cells—challenges and solutions

Institution of Engineering and Technology eBooks, pp. 349–404

Abstract

Chapter Contents: 11.1 Introduction 11.1.1 Lessons learned from commercialized battery cells based on lithium-alloying anodes 11.1.2 Can we directly transform the knowledge gained from graphite anodes to Si anodes? 11.2 Impact of Si-addition to lithium-ion cells: performance and application 11.2.1 Key metrics for practical Si anode-based lithium-ion cells 11.2.1.1 Cycle and calendar life 11.2.1.2 Efficiencies of redox reactions: impact on cycle life and power (rate capability) 11.2.1.3 Specific energy and energy density 11.2.1.4 Cost: from material cost to cell cost 11.2.1.5 Safety 11.2.2 Impact of Si-addition on the performance characteristics of lithium-ion cells 11.2.3 Silicon in commercial LIB cells: state of the art and markets for Si-based cells 11.3 Challenges for practical implementation of Si-based negative electrodes in lithium-ion battery full-cells 11.3.1 Studies of Si-based materials in Li metal cells: opportunities, pitfalls, and lessons learned 11.3.2 Studies of Si-based materials in lithium-ion full-cells: considerations for anode/cathode capacity balancing and challenges with respect to active lithium losses 11.3.3 Challenges for implementation Si-based materials in practical lithium-ion cell formats: electrolyte drying-out and electrode swelling 11.4 Strategies for the development of advanced Si-based lithium-ion full-cells 11.4.1 Material concepts toward practical usage of Si-based anodes 11.4.1.1 Silicon/graphite blends as anode material 11.4.1.2 Major recent results on Si-based LIB full-cells 11.4.2 Electrode formulation and binder development 11.4.3 Pre-treatment and pre-lithiation strategies for Si-based negative electrodes 11.4.4 Electrolyte development 11.4.4.1 Salt anions 11.4.4.2 Electrolyte additives 11.5 Conclusion and future perspectives References

Authors 4

1. Tobias Placke Aachen

   University of Münster · Institute of Physical Chemistry · RWTH Aachen University

   Affiliation as printed

   ISEA

   MEET Battery Research Center, Institute of Physical Chemistry

   RWTH Aachen

   University of Münster

   MEET Battery Research Center, Institute of Physical Chemistry, University of Münster, Münster, Germany

2. Gebrekidan Gebresilassie Eshetu Aachen

   University of Münster · Institute of Physical Chemistry · RWTH Aachen University

   Affiliation as printed

   ISEA

   MEET Battery Research Center, Institute of Physical Chemistry

   RWTH Aachen

   University of Münster

   ISEA, RWTH Aachen, Aachen, Germany

3. Martin Winter Aachen

   University of Münster · Institute of Physical Chemistry · RWTH Aachen University

   Affiliation as printed

   ISEA

   MEET Battery Research Center, Institute of Physical Chemistry

   RWTH Aachen

   University of Münster

   MEET Battery Research Center, Institute of Physical Chemistry, University of Münster, Münster, Germany

4. Egbert Figgemeier Aachen

   University of Münster · Institute of Physical Chemistry · RWTH Aachen University

   Affiliation as printed

   ISEA

   MEET Battery Research Center, Institute of Physical Chemistry

   RWTH Aachen

   University of Münster

   ISEA, RWTH Aachen, Aachen, Germany