A Computationally Efficient Implementation of an Electrochemistry-Based Model for Lithium-Ion Batteries * *This work has received financial support from the Horizon 2020 programme of the European Union under the grant ‘Integrated Components for Complexity Control in affordable electrified cars (3Ccar-662192)’ and under the grant ‘Electric Vehicle Enhanced Range, Lifetime And Safety Through INGenious battery manage- ment (EVERLASTING-713771)’.