We present a comprehensive investigation of the synthesis, electrical transport, magnetic, and thermal properties of Ti-doped ${\mathrm{KV}}_3{\mathrm{Sb}}_5$. The parent compound, ${\mathrm{KV}}_3{\mathrm{Sb}}_5$, exhibits a charge-density-wave (CDW) transition at $T_{CDW}=78$ K and superconductivity below a critical temperature ($T_c$) of 0.93 K. Upon light titanium doping, forming ${\mathrm{KTi}}_{0.15}{\mathrm{V}}_{2.85}{\mathrm{Sb}}_5$, the CDW transition is completely suppressed, while superconductivity is significantly enhanced, with $T_c$ increasing to 3.6 K. Bulk superconductivity in the Ti-doped compound is confirmed by resistivity, magnetization, and heat capacity measurements. Anisotropic upper critical fields are observed, with $H_{c2}$ values of 2.12 T (in-plane) and 0.59 T (out-of-plane). To elucidate the origin of enhanced superconductivity, we analyze the electronic density of states (DOS) near the Fermi level. The Sommerfeld coefficient ($\gamma$), extracted from heat capacity data, indicates an increased DOS at the Fermi level, $N\left(E_F\right)$, in the Ti-doped sample, consistent with a BCS framework for superconductivity. Density functional theory calculations further support this enhancement of $N\left(E_F\right)$ and reveal modifications to the Fermi surface topology with Ti doping, suggesting weakened Fermi surface nesting that may be responsible for the suppression of the CDW. These results provide a coherent picture in which chemical doping alters the delicate balance between competing CDW and superconducting phases, demonstrating a viable route to tune superconductivity in kagome lattice materials via chemical pressure.

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• Magnetotransport
• Specific heat
• Superconductivity
• Topological materials