If you want to start going beyond what www.batteryuniversity.com covers here are a few of the more interesting papers I've read on Li-Ion batteries. They are quite technical though!
Thermal runaway caused fire and explosion of lithium ion battery:
https://www.researchgate.net/profil...cf29ca810fe2f30.pdf?origin=publication_detail
Thermal runaway in Li-Ion — getting the missing data:
http://www.helgroup.com/articles/pdf/b426f8c49b436d84/Thermal Runaway in Li-ion Article Best Tech Magazine.pdf
Theory of SEI Formation in Rechargeable batteries:
http://arxiv.org/pdf/1210.3672v3.pdf
Advanced Technology Development Program for Lithium-Ion batteries, Thermal Abuse Performance of 18650 Li-Ion Cells:
http://prod.sandia.gov/techlib/access-control.cgi/2004/040584.pdf
Are Lithium Ion Cells Intrinsically Safe?:
http://www.cdc.gov/niosh/mining/UserFiles/works/pdfs/alici_v2.pdf
Understanding Lithium-Ion Technology:
http://www.battcon.com/papersfinal2008/mcdowallpaper2008proof_9.pdf
Mechanism of intercalation and deintercalation of lithium ions in graphene nanosheets:
Mechanism of intercalation and deintercalation of lithium ions in graphene nanosheets | SpringerLink
In-operando high-speed tomography of lithium-ion batteries during thermal runaway:
http://www.nature.com/ncomms/2015/150428/ncomms7924/pdf/ncomms7924.pdf
Some thermal runaway and Li-Ion abuse papers:
https://www2.unece.org/wiki/download/attachments/24477990/EVS-06-35e.pdf?api=v2
https://www.electrochem.org/dl/interface/sum/sum12/sum12_p057_060.pdf
http://www.nrel.gov/transportation/energystorage/pdfs/43186.pdf
http://www.helgroup.com/articles/pdf/b426f8c49b436d84/Thermal Runaway in Li-ion Article Best Tech Magazine.pdf
http://jes.ecsdl.org/content/162/9/A1905.full.pdf
http://www.battcon.com/PapersFinal2015/17 Ponchaut Paper 2015.pdf
https://www2.unece.org/wiki/download/attachments/24477990/EVS-06-35e.pdf?api=v2
http://pubs.rsc.org/en/content/articlepdf/2014/RA/C3RA45748F
Aging Mechanisms in Li-ion Batteries:
https://www.mecheng.osu.edu/nlbb/files/nlbb/Battery_aging_09.pdf
Degradation Mechanisms and Lifetime Prediction for Lithium- Ion Batteries – A Control Perspective:
http://www.nrel.gov/docs/fy15osti/64171.pdf
Thermal runaway caused fire and explosion of lithium ion battery:
https://www.researchgate.net/profil...cf29ca810fe2f30.pdf?origin=publication_detail
Thermal runaway in Li-Ion — getting the missing data:
http://www.helgroup.com/articles/pdf/b426f8c49b436d84/Thermal Runaway in Li-ion Article Best Tech Magazine.pdf
Theory of SEI Formation in Rechargeable batteries:
http://arxiv.org/pdf/1210.3672v3.pdf
Advanced Technology Development Program for Lithium-Ion batteries, Thermal Abuse Performance of 18650 Li-Ion Cells:
http://prod.sandia.gov/techlib/access-control.cgi/2004/040584.pdf
Are Lithium Ion Cells Intrinsically Safe?:
http://www.cdc.gov/niosh/mining/UserFiles/works/pdfs/alici_v2.pdf
Understanding Lithium-Ion Technology:
http://www.battcon.com/papersfinal2008/mcdowallpaper2008proof_9.pdf
Mechanism of intercalation and deintercalation of lithium ions in graphene nanosheets:
Mechanism of intercalation and deintercalation of lithium ions in graphene nanosheets | SpringerLink
In-operando high-speed tomography of lithium-ion batteries during thermal runaway:
http://www.nature.com/ncomms/2015/150428/ncomms7924/pdf/ncomms7924.pdf
Some thermal runaway and Li-Ion abuse papers:
https://www2.unece.org/wiki/download/attachments/24477990/EVS-06-35e.pdf?api=v2
https://www.electrochem.org/dl/interface/sum/sum12/sum12_p057_060.pdf
http://www.nrel.gov/transportation/energystorage/pdfs/43186.pdf
http://www.helgroup.com/articles/pdf/b426f8c49b436d84/Thermal Runaway in Li-ion Article Best Tech Magazine.pdf
http://jes.ecsdl.org/content/162/9/A1905.full.pdf
http://www.battcon.com/PapersFinal2015/17 Ponchaut Paper 2015.pdf
https://www2.unece.org/wiki/download/attachments/24477990/EVS-06-35e.pdf?api=v2
http://pubs.rsc.org/en/content/articlepdf/2014/RA/C3RA45748F
Aging Mechanisms in Li-ion Batteries:
https://www.mecheng.osu.edu/nlbb/files/nlbb/Battery_aging_09.pdf
Degradation Mechanisms and Lifetime Prediction for Lithium- Ion Batteries – A Control Perspective:
http://www.nrel.gov/docs/fy15osti/64171.pdf