# Most-cited Engineering papers of 2018, with free PDFs

The 25 most-cited Engineering research papers published in 2018, ranked by citations in OpenAlex, with their original abstracts and free PDFs where available.

1. [30 Years of Lithium‐Ion Batteries](https://nerdi.pages.dev/paper/W2808025896) · 6,093 citations
2. [VINS-Mono: A Robust and Versatile Monocular Visual-Inertial State Estimator](https://nerdi.pages.dev/paper/W2745859992) · 4,726 citations · Free PDF
3. [Carbon capture and storage (CCS): the way forward](https://nerdi.pages.dev/paper/W2784350055) · 4,381 citations
4. [Loihi: A Neuromorphic Manycore Processor with On-Chip Learning](https://nerdi.pages.dev/paper/W2783525259) · 3,957 citations
5. [Digital Twin in manufacturing: A categorical literature review and classification](https://nerdi.pages.dev/paper/W2890904471) · 3,503 citations
6. [Industry 4.0: state of the art and future trends](https://nerdi.pages.dev/paper/W2789444712) · 3,230 citations
7. [Road Extraction by Deep Residual U-Net](https://nerdi.pages.dev/paper/W2774320778) · 3,187 citations · Free PDF
8. [Photothermal therapy and photoacoustic imaging via nanotheranostics in fighting cancer](https://nerdi.pages.dev/paper/W2893450414) · 2,907 citations
9. [Multiplexed and portable nucleic acid detection platform with Cas13, Cas12a, and Csm6](https://nerdi.pages.dev/paper/W2785904295) · 2,654 citations
10. [Science and technology of ammonia combustion](https://nerdi.pages.dev/paper/W2900226406) · 2,578 citations
11. [Chemicals from lignin: an interplay of lignocellulose fractionation, depolymerisation, and upgrading](https://nerdi.pages.dev/paper/W2782590469) · 2,560 citations · Free PDF
12. [Organic and solution-processed tandem solar cells with 17.3% efficiency](https://nerdi.pages.dev/paper/W2886600502) · 2,534 citations
13. [Additive manufacturing of Ti6Al4V alloy: A review](https://nerdi.pages.dev/paper/W2904619063) · 2,493 citations
14. [Net-zero emissions energy systems](https://nerdi.pages.dev/paper/W2811133697) · 2,385 citations · Free PDF
15. [Industrial Internet of Things: Challenges, Opportunities, and Directions](https://nerdi.pages.dev/paper/W2811266402) · 2,382 citations
16. [ENDF/B-VIII.0: The 8 th Major Release of the Nuclear Reaction Data Library with CIELO-project Cross Sections, New Standards and Thermal Scattering Data](https://nerdi.pages.dev/paper/W2792416760) · 2,355 citations
17. [Recent Advances in Aqueous Zinc-Ion Batteries](https://nerdi.pages.dev/paper/W2892022041) · 2,277 citations
18. [Hierarchically porous polymer coatings for highly efficient passive daytime radiative cooling](https://nerdi.pages.dev/paper/W2894499460) · 2,242 citations
19. [Before Li Ion Batteries](https://nerdi.pages.dev/paper/W2902441058) · 2,216 citations
20. [Recent Advances in Zn‐Ion Batteries](https://nerdi.pages.dev/paper/W2887614386) · 2,214 citations
21. [Bright Side of Lignin Depolymerization: Toward New Platform Chemicals](https://nerdi.pages.dev/paper/W2783757378) · 2,208 citations
22. [Challenges for commercializing perovskite solar cells](https://nerdi.pages.dev/paper/W2891146712) · 2,144 citations
23. [3D printing of ceramics: A review](https://nerdi.pages.dev/paper/W2900429435) · 2,121 citations
24. [Carbothermal shock synthesis of high-entropy-alloy nanoparticles](https://nerdi.pages.dev/paper/W2795185600) · 2,116 citations
25. [Implementation of machine-learning classification in remote sensing: an applied review](https://nerdi.pages.dev/paper/W2793927960) · 2,070 citations

Canonical page: https://nerdi.pages.dev/papers/engineering/most-cited-2018